Abstract: A flow field having an inflow/outflow interface is set as an analysis region, a fluid in the flow field is handled as an aggregate of a plurality of particles, and simulation is performed by using a molecular dynamics method. Here, a simulation method includes process of maintaining a temperature and a pressure in a heat bath at target values by compensating for changes in the temperature and the pressure in the heat bath with the passage of time in an analysis model in which the heat bath is connected to the inflow/outflow interface of the analysis region, and a particle is allowed to move between the heat bath and the analysis region.

Abstract: Embodiments of the present invention provide methods, computer program products, and systems for evaluating expressions. Embodiments of the present invention can be used to receive a set of program instructions to be evaluated in a virtualized environment and determine an evaluation strategy based, at least in part, on an availability of CPU resources. The CPU resource include resources impacted by use of virtual machines and hypervisors. Embodiments of the present invention can, responsive to determining that there are sufficient CPU resources available, evaluate the set of program instructions according to the evaluation strategy using the CPU resources.

Abstract: A method comprising: simulating, in a lattice velocity set, movement of particles in a volume of fluid, with the movement causing collision among the particles; based on the simulated movement, determining relative particle velocity of a particle at a particular location within the volume, with the relative particle velocity being a difference between (i) an absolute velocity of the particle at the particular location within the volume and measured under zero flow of the volume, and (ii) a mean velocity of one or more of the particles at the particular location within the volume; and determining, based on the relative particle velocity, a non-equilibrium post-collide distribution function of a specified order that is representative of the collision.

Abstract: Simulation of process control environments, including dynamic properties, with a modified first-order Taylor series expansion. By using more linear calculations, a physical dynamic property is approximated in less time and with fewer computing resources. By adjusting the approximation to introduce curvature, a physical dynamic property is represented over a wider range than with basic linear series expansions. A comparison to a basic linear first-order series expansion identifies conditions when a rigorous update of a dynamic property is needed.

Abstract: At least a part of at least one body is coated. At least one processor determines a respective resulting coating layer based on simulating moving the respective body at least partially through a coating fluid of a dipping bath along different trajectories. The at least one processor determines a first trajectory out of the different simulated trajectories fulfilling one or more pre-defined conditions and causes at least one drive component for moving the respective body to move the respective body at least partially through the coating fluid of the dipping bath along the first trajectory.

Abstract: A computer-implemented method is provided for simultaneous simulation of one-dimensional flow and multi-dimensional flow in a fluid flow network. Processes define meshes of nodes for both one-dimensional and multi-dimensional flow components in a fluid flow network. Another process defines a relational data structure for each adjacent node pair in each multi-dimensional flow component. A flow analysis code is executed to model fluid flow throughout the fluid flow network using the one-dimensional and multi-dimensional meshes of nodes, and each relational data structure.

Abstract: Provided is a pipe network evaluation device that is capable of calculating a pressure loss in a pipe network and a consumption flow rate of compressed air in each terminal equipment without inputting layout information on devices, even in a case where there are some devices, the layout information about which is difficult to ascertain visually or obtain from a building drawing, or the like. Provided is a pipe network evaluation device that estimates the resistance of a pipe, the layout information about which is unknown, on the basis of pressure data on compressed air in an air tank, flow rate data on compressed air supplied from the air tank, layout unknown-part pipe outlet pressure data, for which layout information is unknown, and layout known-part pipe layout information, for which layout information is known.

Abstract: A motor thermal analysis method with a temperature field directly coupled with a thermal circuit is used for modeling partial parts of the motor, and a thermal circuit method is used for modeling other parts. A temperature field is contacted with a thermal circuit through an equivalent temperature boundary and an equivalent convection boundary. The thermal circuit part is composed of one-dimensional finite elements, and two connecting boundaries are deemed as two boundary elements. An element stiffness matrix, an element loading matrix and an element mass matrix corresponding to the one-dimensional finite elements and the boundary elements are respectively overlaid to a global stiffness matrix, a global loading matrix and a global mass matrix, and the distribution of temperature in the temperature field and the distribution of temperature in the thermal circuit are obtained simultaneously by solving a whole system of linear equations.

Abstract: Flow control devices and structures designed and configured to improve the performance of a turbomachine. Exemplary flow control devices may include various flow guiding channels, ribs, diffuser passage-width reductions, and other treatments and may be located on one or both of a shroud and hub side of a machine to redirect, guide, or otherwise influence portions of a turbomachine flow field to thereby improve the performance of the machine.

Abstract: An interactive palette interface includes a color picker for digital paint applications. A user can create, modify and select colors for creating digital artwork using the interactive palette interface. The interactive palette interface includes a mixing dish in which colors can be added, removed and rearranged to blend together to create gradients and gamuts. The mixing dish is a digital simulation of a physical palette on which an artist adds and mixes various colors of paint before applying the paint to the artwork. Color blobs, which are logical groups of pixels in the mixing dish, can be spatially rearranged and scaled by a user to create and explore different combinations of colors. The color, position and size of each blob influences the color of other pixels in the mixing dish. Edits to the mixing dish are non-destructive, and an infinite history of color combinations is preserved.

Abstract: A liquid simulation method is provided for a graphics processing unit (GPU). The method includes obtaining initial information; determining two-dimensional meshes according to the initial information; mapping a plane of a to-be-simulated three-dimensional liquid into the two-dimensional meshes, and determining corresponding target meshes to which the plane of the to-be-simulated three-dimensional liquid is mapped in the two-dimensional meshes. The method also includes recording, in mesh points of the target meshes, corresponding liquid levels of plane coordinates of the to-be-simulated three-dimensional liquid, and obtaining a corresponding height field of the to-be-simulated three-dimensional liquid in the two-dimensional meshes; and rendering a three-dimensional liquid according to updating of the height field, to obtain a liquid simulation result.

Abstract: Disclosed herein are methods and systems that determine a microfacies or a microfacies characteristic of a sample of a subterranean formation based on a segmented image of a petrographic image of the sample, wherein the segmented image is derived from the petrographic image using a machine-learning algorithm.

Abstract: Estimating a production prediction of a target well includes computing, based on production time series from training wells, a smoothed production history curves. Each smoothed production history curve corresponds to a training well. Based on the smoothed production history curves, a fitting function defined by a set of fitting coefficients is selected. A machine learning process determines, based on a set of well parameters for each training well, a set of predicted fitting coefficients as a function of a set of well parameters of the target well. Estimating the production prediction further includes applying the predicted fitting coefficients to the fitting function to compute a production prediction curve for the target well, and presenting the production prediction curve.

Abstract: The invention relates to a method for determining the state of a heat exchanger device (10) that comprises means for transferring heat with the aid of at least one process stream. A thermohydraulic simulation of the at least one process stream through at least one passage (14) in the heat exchanger device (10) is carried out in order to determine temperature and/or heat transfer coefficient profiles of the means for transferring heat.

Abstract: The invention relates to the field of hydropower scheduling, and relates to a method for multi-objective optimal operations of cascade hydropower plants based on relative target proximity and marginal analysis principle. The invention constructs an optimization model with relative target proximity by introducing positive and negative ideal points of objectives so that a multi-objective optimization is efficiently handled. A strategy for processing complex operation constraints is proposed and coupled with genetic algorithm to solve the model. Thus, optimal solution sets under different weight coefficients of objectives can be determined. Following this, marginal benefit and marginal cost are introduced to represent a relationship between multiple objective values and corresponding weight coefficients.

Abstract: System and methods are disclosed for identifying as well as distinguishing between cerebrovascular abnormalities. The system comprises a medical imaging device configured for capturing plurality of images of a cerebrovascular region of a subject and communicating the same to a computing device. The computing device comprises one or more modules configured for extracting features from the captured images, grouping the cerebrovascular region into one of blood vessel type and non-blood vessel type and further extracting features associated with the blood vessels to classify each point on the blood vessel into one of a non-branching, converging and diverging type. The system further comprises a user interface for interactively viewing the results of the classification thereby providing a means to identify cerebrovascular abnormalities.

Abstract: Disclosed is a load-predicting and control system for a subway heating, ventilation and air conditioning system. In one aspect, a load-predicting and control system for a subway heating, ventilation and air conditioning system is provided. The system includes a basic database, a sensing system, a load predicting unit, and a controller; the basic database stores historical data; the sensing system provides measured data; the load predicting unit calculates a predicted load value of the subway heating, ventilation and air conditioning based on the historical data and the measured data, and transmits the predicted load value to the controller; the controller issues a control command based on the predicted load value. Also provided is a load-predicting and control method for the subway heating, ventilation and air conditioning system. The present disclosure solves problems such as poor accuracy of conventional load prediction and inadequate control of the air conditioning system.

Abstract: A method and system for personalized blood flow modeling based on wearable sensor networks is disclosed. A personalized anatomical model of vessels of a patient is generated based on initial patient data. Continuous cardiovascular measurements of the patient are received from a wearable sensor network on the patient. A computational blood flow model for simulating blood flow in the patient-specific anatomical model of the vessels of the patient is personalized based on the continuous cardiovascular measurements from the wearable sensor network. Blood flow and pressure in the patient-specific anatomical model of the vessels of the patient are simulated using the personalized computational blood flow model. Hemodynamic measures of interest for the patient are computed based on the simulated blood flow and pressure.

Abstract: A method comprising: simulating, in a lattice velocity set, movement of particles in a volume of fluid, with the movement causing collision among the particles; based on the simulated movement, determining relative particle velocity of a particle at a particular location within the volume, with the relative particle velocity being a difference between (i) an absolute velocity of the particle at the particular location within the volume and measured under zero flow of the volume, and (ii) a mean velocity of one or more of the particles at the particular location within the volume; and determining, based on the relative particle velocity, a non-equilibrium post-collide distribution function of a specified order that is representative of the collision.

Abstract: The present application relates to a method and system for analyzing blood flow conditions. The method includes: obtaining images at multiple time phases; constructing multiple vascular models corresponding to the multiple time phases; correlating the multiple vascular models; setting boundary conditions of the multiple vascular models respectively based on the result of correlation; and determining condition of blood vessel of the vascular models.

Abstract: Methods, systems, and computer programs are presented for a flood-recovery analysis tool. One method includes operations for generating a prediction of water depth in a geographical region based on weather data for the geographical region and topography data for the geographical region, and causing presentation of a flood inundation map showing the prediction of water depth in a user interface of a display device. The user interface includes an option for entering flood mitigation measures. Further, the method includes operations for receiving the flood mitigation measures via the user interface, updating the topography data to include the received flood mitigation measures, and generating an updated prediction of the water depth in the geographical region based on the updated topography data. An updated flood inundation map is presented in the user interface showing the updated prediction of the water depth and a geographical location of the flood mitigation measures.

Abstract: Systems and methods in accordance with embodiments of the invention are software models that present information in a format directly usable by stormwater managers to inform annual program decisions and consistently evaluate the effectiveness of stormwater management actions. Stormwater modeling systems in accordance with many embodiments of the invention provide a tool that can be used by stormwater managers to estimate load reductions. In a number of embodiments, a user interface is provided that streamlines user input data requirements. In this way, the stormwater modeling system can extend the utility of event-based model inputs, generate results that inform management decisions, and demonstrate progress using a common scalable unit.

Abstract: An analyte monitoring system and method. The analyte monitoring system may include an analyte sensor and a transceiver. The analyte sensor may include an indicator element that exhibits one or more detectable properties based on a concentration of an analyte in proximity to the indicator element. The transceiver may be configured to (i) receive measurement information from the analyte sensor, (ii) calculate the concentration of the analyte in proximity to the indicator element based on at least the received measurement information, and (iii) calculate a blood analyte concentration based on the calculated concentration of the analyte in proximity to the indicator element by (1) incorporating the calculated concentration of the analyte in proximity to the indicator element into a governing equation that models analyte transport over an interval, and (2) solving the governing equation. In some embodiments, the governing equation includes no more than two discrete boundary conditions.

Abstract: A computer-implemented method for simulating fluid flow using a lattice Boltzmann (LB) approach that includes assigning values for the wall shear stress on a per-facet (e.g., per-surfel) basis based on whether the fluid flow is laminar or turbulent is described herein.

Abstract: Systems and methods are described herein for enabling direct modeling for a mesh model, including, but not limited to, obtaining a mesh model of a physical object, the mesh model comprising a plurality of elements, determining at least one feature associated with at least some of the plurality of elements of the mesh model, and manipulating the plurality of elements of the mesh model by manipulating the at least one feature.

Abstract: A computer-implemented method for simulating blood flow through one or more coronary blood vessels may first involve receiving patient-specific data, including imaging data related to one or more coronary blood vessels, and at least one clinically measured flow parameter. Next, the method may involve generating a digital model of the one or more coronary blood vessels, based at least partially on the imaging data, discretizing the model, applying boundary conditions to a portion of the digital model that contains the one or more coronary blood vessels, and initializing and solving mathematical equations of blood flow through the model to generate computerized flow parameters. Finally, the method may involve comparing the computerized flow parameters with the at least one clinically measured flow parameter.

Abstract: A method for optimizing a well production forecast includes inputting into a computer: initial production rate measurements and probability distributions to estimate production forecast model parameters. The computer generates an initial forecast of fluid production rates and total produced fluid volumes using a selected production forecast model. After a selected time, the initial forecast is compared with actual production rate and total produced fluid volume measurements to generate an error measurement. Parameters of the selected production forecast model are adjusted to minimize the error measurement, thereby generating an adjusted production forecast model. The parameter adjustment and error measurement are repeated for a plurality of iterations to generate a plurality of production forecast models each having a determined likelihood of an error measurement. The plurality of production forecast models are displayed with respect to likelihood of error.

Abstract: In one aspect, a method for reducing uncertainty in a hydraulic model of a water distribution network due to uncertain parameters and faults in the water distribution network is provided which includes the steps of: (i) calculating an optimized placement of sensors throughout a given uncertain section of the water distribution network; (ii) collecting data from the sensors; (iii) partitioning the given uncertain section of the water distribution network into observable and unobservable sub-sections based on the hydraulic model and a) a position, b) a number, and/or c) a type of the sensors that are available; (iv) correcting uncertain parameters and identifying faults for each of the observable sub-sections; (v) calculating a global uncertainty value for each of the unobservable sub-sections; and (vi) repeating the steps (i)-(vi) iteratively, at each iteration selecting an uncertain sub-section of the water distribution network, until no uncertain sub-sections of the water distribution network remain.

Abstract: A method and system for non-invasive assessment of coronary artery stenosis is disclosed. Patient-specific anatomical measurements of the coronary arteries are extracted from medical image data of a patient acquired during rest state. Patient-specific rest state boundary conditions of a model of coronary circulation representing the coronary arteries are calculated based on the patient-specific anatomical measurements and non-invasive clinical measurements of the patient at rest. Patient-specific rest state boundary conditions of the model of coronary circulation representing the coronary arteries are calculated based on the patient-specific anatomical measurements and non-invasive clinical measurements of the patient at rest. Hyperemic blood flow and pressure across at least one stenosis region of the coronary arteries are simulated using the model of coronary circulation and the patient-specific hyperemic boundary conditions.

Abstract: A particle-based modeling method and apparatus may include searching for a second particle neighboring a first particle in a vector field at a current time, and updating a position of each of the first particle and the second particle in each vector field over time, based on correcting a velocity of each of the first particle and the second particle based on a variation satisfying an incompressible constraint condition for each of the first particle and the second particle.

Abstract: A method and system for non-invasive assessment of coronary artery stenosis is disclosed. Patient-specific anatomical measurements of the coronary arteries are extracted from medical image data of a patient acquired during rest state. Patient-specific rest state boundary conditions of a model of coronary circulation representing the coronary arteries are calculated based on the patient-specific anatomical measurements and non-invasive clinical measurements of the patient at rest. Patient-specific rest state boundary conditions of the model of coronary circulation representing the coronary arteries are calculated based on the patient-specific anatomical measurements and non-invasive clinical measurements of the patient at rest. Hyperemic blood flow and pressure across at least one stenosis region of the coronary arteries are simulated using the model of coronary circulation and the patient-specific hyperemic boundary conditions.

Abstract: A method for estimating liquid and vapor molar fraction of components, liquid mole fraction, vapor mole fraction, liquid saturation, and vapor saturation of a mixture of hydrocarbons in nano-pores in an earth formation includes: constructing an equation of state (EOS) representing the mixture hydrocarbons in the nano-pores in the earth formation; the EOS having a term accounting for capillary pressure in the nano-pores. The method further includes inputting a composition of the mixture of hydrocarbons, a phase pressure of the hydrocarbons and a pore size distribution of the earth formation into the EOS and solving the EOS and to estimate the liquid and vapor molar fraction of components, liquid mole fraction, vapor mole fraction, liquid saturation, and vapor saturation of the mixture of hydrocarbons in the nano-pores in the earth formation.

Abstract: The present invention causes a computer to function as a virtual space generating unit, a game screen displaying unit and a fluid displaying unit. A fluid displaying unit displays pseudo three-dimensional representation of fluid in virtual space on a game screen. And the fluid displaying includes a billboard setting unit and a two-dimensional simulation unit. A billboard setting unit sets a billboard which has a plain object and which rotates around a predetermined center point in the plain object so that the plain object faces the virtual camera in the virtual space. A two-dimensional simulation unit executes a two-dimensional simulation and displays a simulation result on the plain object.

Abstract: A method of fabricating a conduit includes providing a processor and receiving schematic information. The method also includes computing, using the processor, at least one three-dimensional configuration for the conduit and printing the conduit having the computed at least one three-dimensional configuration.

Abstract: The invention relates to an apparatus for determining a fractional flow reserve (FFR) value of the coronary artery system of a living being (3). A fractional flow reserve value determination unit (13) determines the FFR value by using an FFR value determination algorithm that is adapted to determine the FFR value based on a boundary condition and a provided representation of the coronary artery system, wherein the boundary condition is specific for the living being and determined by a boundary condition determination unit (12). Since the boundary condition determination unit determines a boundary condition, which is specific for the living being, and since the fractional flow reserve value determination unit not only uses the provided representation of the coronary artery system, but also the living being specific boundary condition for determining the FFR value, the accuracy of the FFR value, which is non-invasively determined, can be improved.

Abstract: A method and system for simulating patient-specific cardiac electrophysiology including the effect of the electrical conduction system of the heart is disclosed. A patient-specific anatomical heart model is generated from cardiac image data of a patient. The electrical conduction system of the heart of the patient is modeled by determining electrical diffusivity values of cardiac tissue based on a distance of the cardiac tissue from the endocardium. A distance field from the endocardium surface is calculated with sub-grid accuracy using a nested-level set approach. Cardiac electrophysiology for the patient is simulated using a cardiac electrophysiology model with the electrical diffusivity values determined to model the Purkinje network of the patient.

Abstract: A method for configuring a distribution network of a commodity, wherein the determination of a setting of each inflow regulating element (according to at least one optimization criterion) is repeated for different versions of a working subset (defined by one or more of the parts having no outflow regulating element whose setting is still to be determined) until the settings of all the regulating elements have been determined. A further aspect provides a software program and a software program product for implementing the method. A further aspect provides a corresponding system.

Abstract: An example method includes acquiring two-dimensional (2D) or three-dimensional (3D) digital images of a rock sample. The method also includes selecting a subsample within the digital images. The method also includes deriving a trend or petrophysical property for the subsample. The method also includes applying the trend or petrophysical property to a larger-scale portion of the digital images.

Abstract: Embodiments relate to gathering materials on an ocean surface. Initially, an initial distribution of material is determined based on observational sources, and the material is represented by particles in a numerical ocean model. Trajectories for the numerical ocean model are determined based on modeled surface currents data, and velocity gradients are computed along a corresponding trajectory of the trajectories for each of the particles based on the initial distribution. At this stage, deformation tensors are computed for each of the particles based on the velocity gradients, and a dilation map for the particles is generated based on a time step tensor of the plurality of deformation tensors for each of the particles. Collection of the material is monitored based on the dilation map.

Abstract: Aspects described herein may provide improved water surface approximation by correcting a polygonal mesh (such as a projected grid mesh) at pixel and/or sub-pixel levels through application of a novel ray-casting method based on a modified version of Newton's method for finding roots. The ray-casting method may refine an initial condition determined based on the polygonal mesh and may iteratively develop a more accurate approximation of the water surface as described further herein. This improved approximation method may be suitable for both low-end and high-end GPUs. Due to lower computational complexity, the method may be utilized by low-end GPUs to improve quality while maintaining performance. The method may also be further enhanced with more advanced features such as low-cost multisampling anti-aliasing on higher-end GPUs to provide superior visualization of water surfaces and take full advantage of the additional processing power of such systems.

Abstract: A turbulent flow estimation apparatus and method provides for the measurement of turbulent flow through the introduction of particles which characterize the flow, the detection of extents of turbulent flow regions, the assignment of a plurality of primitive shapes to those turbulent flow regions, and the assignment of individual characteristics to each of the primitive shapes of the estimate, including center location, rotational velocity of the primitive shape, identification of the rotational axis of the primitive shape, and the temporal trajectory of the primitive shapes.

Abstract: A method of mapping an inter-tidal area, comprising: obtaining, over a period of time, image data comprising: a sequence of images of the inter-tidal area at a range of different stages of the tide, and the time at which each image was obtained; determining an elevation of a location in the image, by correlating the changes in an image value over time at the location with tidal data comprising the elevation of the tide over the period of time.

Abstract: A computation system for computing interactions in a multiple-body simulation includes an array of processing modules arranged into one or more serially interconnected processing groups of the processing modules. Each of the processing modules includes storage for data elements and includes circuitry for performing pairwise computations between data elements each associated with a spatial location. Each of the pairwise computations makes use of a data element from the storage of the processing module and a data element passing through the serially interconnected processing modules. Each of the processing modules includes circuitry for selecting the pairs of data elements according to separations between spatial locations associated with the data elements.

Abstract: A computer-implemented method for simulating flow and acoustic interaction of a fluid with a porous medium includes simulating activity of a fluid in a first volume adjoining a second volume, the activity of the fluid in the first volume being simulated so as to model movement of elements within the first volume and using a first model having a first set of parameters, simulating activity of the fluid in the second volume occupied by the porous medium, the activity in the second volume being simulated so as to model movement of elements within the second volume and using a second model having a second set of parameters, and simulating movement of elements between the first volume and the second volume at an interface between the first volume and the second volume.

Abstract: A display data set depicting a three-dimensional source data set of display parameters is generated through volume rendering. Integration distance is subdivided based on a fixed predetermined target sampling distance independent of a desired sampling distance. The number of subsections minus one correspond to integrations over different subsections with front and back values of the display parameter as a target sampling distance opacity. A contribution of the volume-rendering integral and a target sampling distance color coefficient are based on the target sampling distance opacity. Target sampling distance opacities and target sampling distance color coefficients are determined based on pre-integration tables for contributions of the volume-rendering integral. Third opacities are calculated and converted to the desired sampling distance from target sampling distance opacities and the ratio of desired sampling distance to target sampling distance.

Abstract: A computer implemented method of simulating a stack of objects represented as data within memory of a computer system is disclosed. The method comprises modeling the stack within a computer simulation as a set of associated primitives with associated constraints thereto in the memory, wherein the stack comprises a plurality of layers and wherein each layer comprises at least one primitive. The method further comprises estimating a height for each of the primitives in the stack and determining a respective scaling factor for each of the primitives in parallel, wherein each scaling factor is operable to adjust a mass value of each of the primitives. Also, the method comprises scaling a mass value of each of the primitives in accordance with a respective scaling factor in parallel. Finally, the method comprises solving over a plurality of constraints iteratively using a scaled mass value for each of the primitives.

Abstract: A parallel processing system for computing particle interactions includes a plurality of computation nodes arranged according to a geometric partitioning of a simulation volume. Each computation node has storage for particle data. This particle data is associated with particles in a region of the geometrically partitioned simulation volume. The parallel processing system also includes a communication system having links interconnecting the computation nodes. Each of the computation nodes includes a processor subsystem. These processor subsystems cooperate to coordinate computation of the particle interactions in a distributed manner.

Abstract: System and method for extraction and processing of river bank coordinates from imagery, generation of an unstructured mesh of the river using river bank positions and available or synthetic bathymetry, application of upstream and downstream boundary forcing data, contingencies for handling missing data, and configuration of multiple realizations of the developed river model.

Abstract: A memory stores a calculation formula including a disturbance term added to a position, a velocity, an acceleration, a pressure, or a density of each particle at a current time. A processor determines the disturbance term of each particle, determines the position, the velocity, and the density (position and the like) at the current time by using a position and the like at an initial time as the position and the like at the preceding time, and by applying the disturbance term to the calculation formula, and sequentially determines a position and the like at each time subsequent to the initial time by repeating a process for determining the disturbance term and the position and the like at the current time with the use of the determined position and the like of as the position and the like at the preceding time.

Abstract: Exemplary embodiments of the present techniques provide methods and systems for coarsening a computational mesh, for example, for use in a reservoir simulation. An exemplary method of performing a reservoir simulation, includes generating a data representation in a storage system, wherein the data representation includes an interconnection weight that represents the magnitude of an interconnection between each of a number of computational cells in a computational mesh. A threshold value is compared to each interconnection weight and any interconnection weight that is equal to or less than the threshold value is set to zero.