Based on the hyperelastic constitutive theory and the theory of equivalent material parameters of functionally graded materials(FGM),a subroutine UMAT for f
In order to study the thermal deformation and thermal stress distribution of the ion thruster s grid components,the full-size finite element model of grid c
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An efficient and accurate method is developed to solve the transient heat conduction problems in periodic structures.For a periodic structure,according to t