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Methods and Systems For Numerically Simulating Bi-Phase Material That Changes Phase After Crossing A Directional Spatial Boundary
Methods and Systems For Numerically Simulating Bi-Phase Material That Changes Phase After Crossing A Directional Spatial Boundary
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机译:数值模拟跨相方向边界后相变的两相材料的方法和系统
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摘要
Numerical simulation of bi-phase material that changes phase after crossing a directional spatial boundary is disclosed. FEA model contains finite elements for representing bi-phase material. Each finite element is associated with a material identifier containing first and second sets of material properties for respective first and second phases of the bi-phase material. All finite elements are initially assigned with the first set of material properties. At each solution cycle during a time-marching simulation of the bi-phase material, the second set of material properties under the same material identifier is assigned to those of the finite elements determined to have moved across the direction spatial boundary for instant phase change. Material properties of a finite element located in the transition region are calculated by interpolating first and second set of material properties for gradual phase transition. Numerically-simulated structural behaviors are calculated with finite elements grouped together under the same material identifier.
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