Abstract: An input data creation device for powder additive manufacturing that can design and provide an appropriate support that avoids manufacturing failure. The device creates input data of a model in which a support is provided to a manufacturing designed object in powder additive manufacturing. The device includes a mechanical quantity calculation unit including a mechanism configured to calculate a mechanical quantity generated on a surface to which the support is provided in the manufacturing designed object; and a support shape determination unit including a mechanism configured to determine, based on information on a plurality of types of support shapes, information on an allowable mechanical quantity defined for each support shape, and a mechanical quantity calculated by the mechanical quantity calculation unit, an optimized support shape having an allowable mechanical quantity equal to or greater than the calculated mechanical quantity from among the plurality of types of support shapes.

Abstract: A design support device includes a unit that accepts registration of normal CAD data with a past record and violation CAD data determined to have violated portion with respect to three-dimensional CAD data, a unit that acquires a parameter related to a design rule from CAD data to be evaluated, a unit that calculates a statistical value of the acquired parameter and calculates a value of an influence degree t that explains a violation of each parameter, and a unit that presents a scatter diagram plotting normal CAD data and violation CAD data to be evaluated and a boundary line subjected to cluster analysis, on a two-dimensional coordinate system, according to a combination of parameters designated by a user (evaluator).

Abstract: A shape search unit (22) that repeats processes of comparing each shape element of current shape data (11a) or previous difference shape data (12a) with each shape element of existing shape data (11b), setting a set of shape elements that are similar to each other as a result of the comparison as common shape data (12b), on the other hand, and setting a set of shape elements that are not similar to each other as next difference shape data (12a), until the common shape data (12b) is not extracted from the difference shape data (12a), a common mesh extraction unit (23b) that searches for corresponding common mesh data (13b) from an existing model database (11x) using the common shape data (12b) as a search key are provided.

Abstract: Generation of a search key shape for identifying a dedicated shape with respect to three-dimensional CAD data is facilitated. A shape group registration unit registers multiple pieces of three-dimensional CAD data; a feature amount computation unit computes a feature amount with respect to each of the registered pieces of three-dimensional CAD data; a clustering unit clusters the pieces of three-dimensional CAD data based on a feature amount; a cluster center computation unit determines a feature amount of a cluster center of each cluster from a feature amount of three-dimensional CAD data; and a search key shape registration unit registers feature amount data of a cluster center as feature amount data of a search key shape.

Abstract: A design support device includes a unit that accepts registration of normal CAD data with a past record and violation CAD data determined to have violated portion with respect to three-dimensional CAD data, a unit that acquires a parameter related to a design rule from CAD data to be evaluated, a unit that calculates a statistical value of the acquired parameter and calculates a value of an influence degree t that explains a violation of each parameter, and a unit that presents a scatter diagram plotting normal CAD data and violation CAD data to be evaluated and a boundary line subjected to cluster analysis, on a two-dimensional coordinate system, according to a combination of parameters designated by a user (evaluator).

Abstract: An input data creation device for powder additive manufacturing that can design and provide an appropriate support that avoids manufacturing failure. The device creates input data of a model in which a support is provided to a manufacturing designed object in powder additive manufacturing. The device includes a mechanical quantity calculation unit including a mechanism configured to calculate a mechanical quantity generated on a surface to which the support is provided in the manufacturing designed object; and a support shape determination unit including a mechanism configured to determine, based on information on a plurality of types of support shapes, information on an allowable mechanical quantity defined for each support shape, and a mechanical quantity calculated by the mechanical quantity calculation unit, an optimized support shape having an allowable mechanical quantity equal to or greater than the calculated mechanical quantity from among the plurality of types of support shapes.

Abstract: A shape search unit (22) that repeats processes of comparing each shape element of current shape data (11a) or previous difference shape data (12a) with each shape element of existing shape data (11b), setting a set of shape elements that are similar to each other as a result of the comparison as common shape data (12b), on the other hand, and setting a set of shape elements that are not similar to each other as next difference shape data (12a), until the common shape data (12b) is not extracted from the difference shape data (12a), a common mesh extraction unit (23b) that searches for corresponding common mesh data (13b) from an existing model database (11x) using the common shape data (12b) as a search key are provided.

Abstract: A mesh is manufactured in consideration of the differences between the specification of the mesh to be manufactured for each portion to be analyzed, the difficulty in defining the mesh specification, and the response to the change in the mesh specification. Analysis mesh manufacturing equipment has first means for registering, as an uncorrected sample, a combination of partial mesh data for a correction examining portion and CAD data associated therewith to a mesh correcting sample database, second means for storing mesh data and CAD data that are to be inspected, third means for retrieving, with respect to the mesh data and the CAD data that are to be inspected, a partial mesh that is similar to the mesh data and the CAD data of the uncorrected sample that are registered to the mesh correcting sample database, and fourth means for highlighting the retrieved partial mesh on a display device.

Abstract: The present invention is a data transfer system that can transfer, with respect to simulation result data, physical quantities necessary for a user, further perform area division based on characteristics of physical quantities, designate an allowable range of a compression error according to a purpose for each of divided areas, compress the data on the basis of the designated error range, transfer the data, and further display an error of each of the divided areas for each of the physical quantities on a receiver/client side.

Abstract: An analysis model creation assistance device comprises a mesh data registration unit for registering a mesh data which has been already divided into meshes for a simulation in a mesh database, a CAD data registration unit for registering a CAD data corresponding to the mesh data in a CAD database, and a usable mode extractor for registering a mesh data corresponding to a data on mesh members excluding a mesh member of a largest size in a usable model database as a usable mesh.

Abstract: An analytical mesh generation device includes a shape model input unit for inputting a shape model of an analytical subject, a mesh size input unit for inputting a size of a hexahedral mesh to be generated, a mesh generation region. extraction unit for extracting a mesh. generation region for generating the hexahedral mesh. from the shape model using the mesh size, and a hexahedral mesh generation unit for generating the hexahedral mesh for the extracted mesh generation region.

Abstract: The present invention has an object of providing a data transfer system and a data transfer method that can transfer, with respect to simulation result data, only physical quantities necessary for a user, further perform area division based on characteristics of physical quantities, designate an allowable range of a compression error according to a purpose for each of divided areas, compress the data on the basis of the designated error range, transfer the data, and further display an error of each of the divided areas for each of the physical quantities on a receiver/client side.

Abstract: A hexahedral mesh generator for an analysis model generation target includes an existing analysis model database that stores shape data of existing analysis models before and after shape decomposition, a shape decomposition part extracting module that compares the shapes existing analysis models before and after the shape decomposition, a shape comparison module that compares each shape decomposition part with the analysis model generation target and checks whether the shape decomposition part coincides with at least part of the analysis model generation target, a coinciding shape decomposition part display/selection module that displays coinciding shape decomposition parts and outputs shape decomposition parts selected by the user, a shape decomposition module that decomposes the shape of the analysis model generation target in the same way as the outputted shape decomposition parts, and a hexahedral mesh generating module that generates the hexahedral mesh for the analysis model generation target after unde

Abstract: The present invention provides a design support system for easily identifying extent of impact of design change while saving the labor involved in working on the design change. The system includes: a simulation execution unit that executes a simulation by executing a program on a server using predetermined parameters regarding the design of an object; an extent-of-impact extraction unit that extracts extent of impact that parts are subject to due to design change, from an analysis result obtained through execution of the simulation by the simulation execution unit; and an output unit that outputs the extent of impact extracted by the extent-of-impact extraction unit.

Abstract: An operating support system includes a control unit having: accepting the specifications required for a new case; searching a second database based on the accepted specifications; obtaining past cases similar to the extent that the specifications meet predetermined standards; extracting a record of the obtained case from a first database; determining the coefficient by which the presence/absence value is multiplied as the side effect degree for the extracted record; calculating the optimized side effect degree for each task of the obtained record, by calculating the sum of values obtained by multiplying the presence/absence value by the side effect degree for the tasks, and by calculating the difference between the calculated sum and the evaluation value; and comparing the magnitude relationship between the calculated side effect degree and a predetermined threshold to output the task corresponding to the side effect degree, as the task that is omittable in the new case.

Abstract: A hexahedral mesh generator for an analysis model generation target includes an existing analysis model database that stores shape data of existing analysis models before and after shape decomposition, a shape decomposition part extracting module that compares the shapes existing analysis models before and after the shape decomposition, a shape comparison module that compares each shape decomposition part with the analysis model generation target and checks whether the shape decomposition part coincides with at least part of the analysis model generation target, a coinciding shape decomposition part display/selection module that displays coinciding shape decomposition parts and outputs shape decomposition parts selected by the user, a shape decomposition module that decomposes the shape of the analysis model generation target in the same way as the outputted shape decomposition parts, and a hexahedral mesh generating module that generates the hexahedral mesh for the analysis model generation target after unde

Abstract: Using this analytical model information delivery device, it is possible to quickly create analytical models even when the designer and the analyst are different people. This analytical model information delivery device is provided in a device for creating numerical models from CAD data. A shape search unit searches the components making up the CAD data and extracts features, and matches the extracted features with shape creation rules pre-registered in an analytical modeling means database. Further, when modifying a three-dimensional CAD model using the shape creation rules, an input result display unit highlights the modification area of the three-dimensional CAD model modified in accordance with the shape creation rules. A model conversion unit creates a numerical model from the modified three-dimensional CAD model. A shape processing unit further interactively modifies the modified area of the numerical model displayed by a modeling area display unit.

Abstract: A numerical analysis data evaluation apparatus includes: a shell generation model which converts a three-dimensional shape model into a three-dimensional shell model so that a thickness on an analysis model becomes zero; a front surface-side physical quantity projector and a rear surface-side physical quantity projector which interpolate physical quantities of front surface-side elements and physical quantities of rear surface-side elements of the three-dimensional shape model obtained as a result of the numerical analysis in on-shell model element data obtained by spatially discretizing the three-dimensional shell model, and project the physical quantities on front surface-side physical quantities and rear surface-side physical quantities of on-shell elements; an on-shell element front surface-side physical quantity data storage unit; an on-shell element rear surface-side physical quantity data storage unit; and an arithmetic unit which calculates differences between the front surface-side physical quantitie

Abstract: It is possible to automatically correct a six-plane body mesh pattern so as to satisfy the required quality. A device for generating a mesh pattern for analysis comprises: surface mesh generating device for generating a surface mesh pattern of an analysis object by acquiring shape model data on the analysis object and mesh control data including required quality of an analysis mesh model; internal mesh generating device for generating an internal mesh pattern of the analysis object according to the generated surface mesh pattern; device for calculating the element quality of surface meshes; quality evaluating device for evaluating calculated element quality according to the required quality; and mesh correction device for shifting a surface mesh node point not satisfying the required quality in the direction to improve the quality.

Abstract: A model simplification apparatus performs: inputting a 3D geometric model; forming a surface mesh on the input geometric model and registering the surface mesh as an initial mesh; classifying the surface mesh into partial surface meshes, and calculating feature quantities of the partial surface meshes; inputting each group of mesh elements of the geometry features as reference feature shapes; searching for groups of mesh elements of similar geometry features to the reference feature shapes. Furthermore, removing group of mesh elements corresponding to the similar feature shapes from the initial mesh, and forming simplified mesh parts instead of removed similar feature shapes.