Open victorkemp opened 1 month ago
Errors in stress and strain of around 50%. The paper it's based on (Taylor, Beresford, Wilson 1976) says it passes this test so it must be a bug in the implementation.
Solution Description of patch test Input file
*NODE 1,0.249,0.342,0.192 2,0.826,0.288,0.288 3,0.85,0.649,0.263 4,0.273,0.75,0.23 5,0.32,0.186,0.643 6,0.677,0.305,0.683 7,0.788,0.693,0.644 8,0.165,0.745,0.702 9,0,0,0 10,0,1,0 11,1,1,0 12,1,0,0 13,0,0,1 14,1,0,1 15,1,1,1 16,0,1,1 *ELEMENT,TYPE=C3D8I,ELSET=DEFAULT 1,1,2,3,4,5,6,7,8 2,1,4,3,2,9,10,11,12 3,5,6,7,8,13,14,15,16 4,1,2,6,5,9,12,14,13 5,2,3,7,6,12,11,15,14 6,3,4,8,7,11,10,16,15 7,4,1,5,8,10,9,13,16 *MATERIAL,NAME=MATERIAL *ELASTIC,TYPE=ISOTROPIC 1000000,0.25 *SOLID SECTION,ELSET=DEFAULT,MATERIAL=MATERIAL *STEP *STATIC *BOUNDARY 9,1,,0 9,2,,0 9,3,,0 10,1,,0.0005 10,2,,0.001 10,3,,0.0005 11,1,,0.0015 11,2,,0.0015 11,3,,0.001 12,1,,0.001 12,2,,0.0005 12,3,,0.0005 13,1,,0.0005 13,2,,0.0005 13,3,,0.001 14,1,,0.0015 14,2,,0.001 14,3,,0.0015 15,1,,0.002 15,2,,0.002 15,3,,0.002 16,1,,0.001 16,2,,0.0015 16,3,,0.0015 *EL FILE S,E *END STEP
Original source: https://doi.org/10.1016/0168-874X(85)90003-4
Errors in stress and strain of around 50%. The paper it's based on (Taylor, Beresford, Wilson 1976) says it passes this test so it must be a bug in the implementation.
Solution
Description of patch test
Input file