Abstract: A tank includes: a first housing configured to include a first inner surface and a first peripheral edge projecting from the first inner surface; a second housing configured to include a second inner surface and a second peripheral edge, the second inner surface facing the first inner surface, the second peripheral edge projecting from the second inner surface and facing the first peripheral edge; and a sticky elastic body inside the first and second peripheral edge, wherein the first peripheral edge has a first inclined surface inclined from inside to outside from the first inner surface toward a first projecting end of the first peripheral edge, the second peripheral edge has a second inclined surface inclined from inside to outside from the second inner surface toward a second projecting end of the second peripheral edge, and the elastic body is stuck to the first and second inclined surface.

Abstract: A non-transitory computer-readable recording medium storing a distortion calculation program that causes a computer to execute a process includes: analyzing a distortion which occurs in an object when stress is applied, referring to a storage which stores a distortion amplitude for each of nodes of a mesh which is created for the object, moving, onto a circumference which is determined by a set radius, one or more nodes within a width set from the circumference by using a point selected from the nodes of the mesh as a starting point, creating a distribution chart of values of the distortion amplitude of the one or more nodes on the circumference after movement, and displaying the distribution chart on a display device.

Abstract: A deformation simulation apparatus includes a simulation unit configured to simulate a deformation of an elastic body to determine a plurality of simulated results, the plurality of simulated results being simulated at respective a plurality of positions in the elastic body, a display unit configured to display a graph that is indicative of the plurality of simulated results in a manner that each of the plurality of simulated results is associated with a corresponding one of the plurality of positions over a range indicative of a whole of the elastic body.

Abstract: A design support system for supporting a design of an electronic device having an input device through which an input is made by utilizing elasticity is provided. The system includes a simulation unit for executing structural simulation of an input device based on structural data of the electronic device including the input device. The support system can include a re-design determining unit for notifying a need for re-design to a designer based on reactive characteristic data of the input device output from the simulation unit. The support system can include an examining unit for examining the reactive characteristic data, and a selecting unit for selecting another input device to replace the current input device.

Abstract: An analyzing model creating apparatus obtains a three-dimensional analyzing model (3D mode) of an analyzing target and regions of the 3D model, obtains a reference point on an impact surface from a normal vector of the impact surface represented by a unit vector and minimum and maximum values of each coordinate obtained from the regions of the 3D model to generate the impact surface having an impact attitude of the 3D model with respect to the impact surface defined by an arbitrary rotary position of the impact surface. The apparatus further generates an analysis input file which includes information related to the 3D model, the impact surface and an impact velocity with which the 3D model and the impact surface collide, and analyzes a strength of the 3D model based on the analysis input file.

Abstract: A simple analysis model for an elastomeric material member with a strong nonlinearity is created, that is, for a rubber member gripped between a first member and a second member, first shell elements are created for the contact surface of the rubber member contacting the first member, second shell elements are created for the contact surface of the rubber member contacting the second member, and spring elements are created between specific nodes of the first and second shell elements. The spring constant of the created spring elements is identified by data of material tests.

Abstract: An analyzing model creating apparatus includes an interval acquiring part to acquire intervals of a plurality of parts that are mounted on a PCB for an electronic equipment, from design data of the PCB, a comparing part to compare a minimum part interval between the parts and a first mesh size which is preset, and a computing part to compute a value which is ½ the minimum part interval between the parts as a second mesh size if the minimum part interval between the parts is less than 2 times the first mesh size. A generating part is provided to generate an analyzing model of the printed circuit board based on the second mesh size.

Abstract: An element grouping method for Finite Element Method (FEM) analysis is implemented in a computer to group elements forming an analyzing mode. The method automatically obtains nodes of specific elements having a common parameter from the elements forming the analyzing model which is an analyzing target, and automatically groups nodes having a referring number which is a predetermined value or less. The specific elements belonging to the grouped nodes are automatically grouped as edge elements. A check is made to determine whether or not all specific elements in an edge portion of the analyzing model are grouped as the edge elements. Specific elements, other than the specific elements in the edge portion which are grouped as the edge elements, are automatically grouped as the in-plane elements.

Abstract: The present invention has been made to provide a technique capable of contributing to a reduction in operational burden on workers and an increase in operating accuracy in a generation process of a mesh for numerical analysis for a geometric model. A numerical analysis mesh generation apparatus generates a mesh for use in performing numerical analysis for a geometric model to be analyzed.

Abstract: A non-transitory, computer-readable recording medium stores therein an analysis support program that causes a computer to execute receiving disposal position information indicative of respective disposal positions for jigs in information indicative of disposal positions set on a surface of an object model modeling an object; creating, using the object model and a jig model modeling a jig, an analytic model by modeling a state where the jigs are disposed respectively at the disposal positions that are on the surface of the object and indicated by the disposal position information; obtaining an analysis result for each of the disposal positions by executing strength analysis of the object using the analytic model; producing, by correlating the disposal positions and the analysis results for the disposal positions based on the obtained analysis results, a chart that displays at each of the disposal positions, a correlated analysis result; and outputting the chart.

Abstract: A design support system for supporting a design of an electronic device having an input device through which an input is made by utilizing elasticity is provided. The system includes a simulation unit for executing structural simulation of an input device based on structural data of the electronic device including the input device. The support system can include a re-design determining unit for notifying a need for re-design to a designer based on reactive characteristic data of the input device output from the simulation unit. The support system can include an examining unit for examining the reactive characteristic data, and a selecting unit for selecting another input device to replace the current input device.

Abstract: An analyzing model creating apparatus obtains a three-dimensional analyzing model (3D mode) of an analyzing target and regions of the 3D model, obtains a reference point on an impact surface from a normal vector of the impact surface represented by a unit vector and minimum and maximum values of each coordinate obtained from the regions of the 3D model to generate the impact surface having an impact attitude of the 3D model with respect to the impact surface defined by an arbitrary rotary position of the impact surface. The apparatus further generates an analysis input file which includes information related to the 3D model, the impact surface and an impact velocity with which the 3D model and the impact surface collide, and analyzes a strength of the 3D model based on the analysis input file.

Abstract: An analyzing model creating apparatus includes an interval acquiring part to acquire intervals of a plurality of parts that are mounted on a PCB for an electronic equipment, from design data of the PCB, a comparing part to compare a minimum part interval between the parts and a first mesh size which is preset, and a computing part to compute a value which is ½ the minimum part interval between the parts as a second mesh size if the minimum part interval between the parts is less than 2 times the first mesh size. A generating part is provided to generate an analyzing model of the printed circuit board based on the second mesh size.

Abstract: An element grouping method for Finite Element Method (FEM) analysis is implemented in a computer to group elements forming an analyzing mode. The method automatically obtains nodes of specific elements having a common parameter from the elements forming the analyzing model which is an analyzing target, and automatically groups nodes having a referring number which is a predetermined value or less. The specific elements belonging to the grouped nodes are automatically grouped as edge elements. A check is made to determine whether or not all specific elements in an edge portion of the analyzing model are grouped as the edge elements. Specific elements, other than the specific elements in the edge portion which are grouped as the edge elements, are automatically grouped as the in-plane elements.

Abstract: A simple analysis model for an elastomeric material member with a strong nonlinearity is created, that is, for a rubber member gripped between a first member and a second member, first shell elements are created for the contact surface of the rubber member contacting the first member, second shell elements are created for the contact surface of the rubber member contacting the second member, and spring elements are created between specific nodes of the first and second shell elements. The spring constant of the created spring elements is identified by data of material tests.

Abstract: The present invention has been made to provide a technique capable of contributing to a reduction in operational burden on workers and an increase in operating accuracy in a generation process of a mesh for numerical analysis for a geometric model. A numerical analysis mesh generation apparatus generates a mesh for use in performing numerical analysis for a geometric model to be analyzed.

Abstract: The present invention is an appellation, wherein design time can be reduced and necessary data can be readily and quickly obtained by checking the boundary condition in an analysis model before performing the analysis by the solver, by including: a space determination unit for determining, with regard to a master surface to be verified among the two surfaces forming the pair, whether or not given slave nodes composing a slave surface are included in a check space formed by projecting the master surface to its normal direction; and an interference determination unit for calculating the distance between the master surface and the slave surface if the slave nodes are determined to exist in the check space according to the determination of the space determination unit, and determining that interference is occurring if the distance is smaller than zero.

Abstract: Definition of pairs of faces having the possibility of being in mutual contact among a plurality of objects is performed accurately and efficiently.

Abstract: A method of evaluating configuration of solder external terminals of a BGA-type tape-based semiconductor device mounted on a board such that the external terminals are joined to lands provided on the mounting board is provided. The method includes the step of obtaining geometric data related to opening of a tape substrate of the semiconductor device, solder balls to be placed at positions corresponding to the openings, and the lands of the mounting board and the step of deribing configuration of the solder external terminal based on the geometric date. The method further includes the step of calculating the volume of voids to be produced in the external terminals, so as to compensate for the geometric data related to the tape substrate.

Abstract: A method of evaluating configuration of solder external terminals of a BGA-type tape-based semiconductor device mounted on a board such that the external terminals are joined to lands provided on the mounting board is provided. The method includes the step of obtaining geometric data related to opening of a tape substrate of the semiconductor device, solder balls to be placed at positions corresponding to the openings, and the lands of the mounting board and the step of deribing configuration of the solder external terminal based on the geometric date. The method further includes the step of calculating the volume of voids to be produced in the external terminals, so as to compensate for the geometric data related to the tape substrate.