midas MeshFree 2024 R1

MeshFree 2024 R1. This technology performs finite element analysis on the original CAD model without need for meshing or defeaturing.

MeshFree 2024 R1 Release Note

Improvement of Geometry-Fitted Grid Application Functionality
MeshFree generates the grid based on the IBM (Implicit Boundary Method) algorithm and proceeds with the analysis. In the previous version, an issue was identified where the geometry-fitted grid application only worked correctly when slender members with large cross-sections compared to their thickness were aligned such that the X, Y, Z axes were rotated 90 degrees relative to the global coordinate system. This issue has been resolved to ensure proper grid generation for thin plates and other geometries with misaligned orientations. The coordinate system alignment has been improved to handle these cases correctly.

Other Bug Fixes
< Improvement of Negative Coefficient for Hyper-elastic Material Distortion Constant>

An issue was identified where it was not possible to apply negative coefficients for higher-order terms related to the distortion constant of hyper-elastic materials. This has been fixed, allowing both positive and negative values to be applied.
< Addition of Reaction Force Results for Rigid Body Master Nodes>
It was found that reaction forces at rigid body master node locations were not being calculated, making it impossible to verify reaction force results. This calculation procedure has been added, and results can now be checked.
< Improvement of Plastic Strain/Stress Results for Elastoplastic Materials>
Abnormal values were observed at certain discontinuous locations for elastoplastic materials. Improvements have been made to the accuracy of plastic strain calculations and the equivalent stress calculations related to the strain-stress curve.
< Addition of Exception Handling for Convection Conditions in Linear Contact >
In thermal analysis, convection conditions are set for external air contact surfaces. However, with increasing geometric complexity, manually removing these conditions at contact locations has been inconvenient. This has been improved so that convection conditions are automatically ignored when linear contact conditions (bonded, sliding) are present.
< Application of Unit System to Reference Points for Distributed Loads and Edit Box Revision >
An issue was identified where reference point coordinates for distributed loads were calculated with a fixed unit of millimeters. The unit system issue was addressed for the entire edit box, including this location, and has been corrected and verified

Support for the latest version of the CAD interface may be delayed depending on the supplier’s update environment. If the newest version is not supported, please convert it to a neutral file such as Parasolid or STEP file format. We will do our best to reflect on the latest version of CAD quickly

midas MeshFree is a cutting-edge design and analysis technology developed through the collaboration with SAMSUNG Electronics. It performs simulation of the original model you have designed without any modification. Conventional FEM required tedious and time consuming model idealization and cleanup process. However, MeshFree has the latest, efficient and effective numerical analysis algorithm that can simulate using the original 3D CAD model itself.

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