tetra2.fem

来自「InsightToolkit-1.4.0(有大量的优化算法程序)」· FEM 代码 · 共 116 行

% "Example on Tetrahedral Element"
%
% http://www.me.unlv.edu/~mbt/443/tetrahedral/Example_on_Tetrahedral_Element.htm
%
% 5-node, 2-element example
%
%
<Node>
	0	% GNN
	3 0 0 0	% Nodal coordinates
<Node>
	1	% GNN
	3 0 10 0	% Nodal coordinates
<Node>
	2	% GNN
	3 0 0 10	% Nodal coordinates
<Node>
	3	% GNN
	3 -1 0 0	% Nodal coordinates
<Node>
	4	% GNN
	3 -1 10	0	% Nodal coordinates

<END>	% End of nodes

<MaterialLinearElasticity>
	0	% Global material number
	E: 3000000	% E
	A: 0	% A
	I: 0	% I
	nu: 0.3	% nu
	h: 1
	RhoC: 1
	END:	% End of material definition

<END>	% End of materials

<Element3DC0LinearTetrahedronStrain>
	0	% Global element number
	0	% Node 1 ID
	1	% Node 2 ID
	4	% Node 3 ID
	2	% Node 4 ID
	0	% Material ID
<Element3DC0LinearTetrahedronStrain>
	1	% Global element number
	0	% Node 1 ID
	4	% Node 2 ID
	3	% Node 3 ID
	2	% Node 4 ID
	0	% Material ID

<END>	% End of elements

<LoadNode>
	0	% Global load number
	0	% GN of element on which the load acts
	1	% Point number within the element
	3 0 0 -1000	% Force vector
<LoadNode>
	1	% Global load number
	0	% GN of element on which the load acts
	2	% Point number within the element
	3 0 0 -1000	% Force vector

% Essential boundary conditions in form of MFCs are applyed, so that the system is
% fixed and we can solve for displacements. 
<LoadBC>
	2	% Global load number
	  0	% GN of element
	  0	% DOF# in element
	1 0	% rhs of MFC
<LoadBC>
	3	% Global load number
	  0	% GN of element
	  1	% DOF# in element
	1 0	% rhs of MFC
<LoadBC>
	4	% Global load number
	  0	% GN of element
	  2	% DOF# in element
	1 0	% rhs of MFC
<LoadBC>
	5	% Global load number
	  0	% GN of element
	  9	% DOF# in element
	1 0	% rhs of MFC
<LoadBC>
	6	% Global load number
	  0	% GN of element
	  10	% DOF# in element
	1 0	% rhs of MFC
<LoadBC>
	7	% Global load number
	  0	% GN of element
	  11	% DOF# in element
	1 0	% rhs of MFC
<LoadBC>
	8	% Global load number
	  1	% GN of element
	  6	% DOF# in element
	1 0	% rhs of MFC
<LoadBC>
	9	% Global load number
	  1	% GN of element
	  7	% DOF# in element
	1 0	% rhs of MFC
<LoadBC>
	10	% Global load number
	  1	% GN of element
	  8	% DOF# in element
	1 0	% rhs of MFC

<END>	% End of loads