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About the Analysis issues category
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0
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26
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January 20, 2026
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Nonlinear Axial Compression (Buckling) of a Cylinder not Converging
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39
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862
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September 1, 2026
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Large Difference between Solution at Integration Points and Nodes
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4
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157
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August 27, 2026
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Coupling constraints with shells
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0
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83
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August 10, 2026
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Windows Pardiso Nonlinear convergence problem
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3
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138
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July 6, 2026
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Glue gap in modal analysis
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9
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181
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July 5, 2026
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Sealing lip deformation / assembly problem
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45
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575
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June 25, 2026
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Cavity Radiation Errors Requiring Recompiling
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2
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141
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June 19, 2026
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Connect BEAM to TRUSS
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11
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267
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June 11, 2026
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CalculiX failing on server, but working on local laptop
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9
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180
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June 9, 2026
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Large modal analysis of a shell diaphragm – mesh size vs number of requested modes
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12
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265
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June 6, 2026
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Weakness of 1st order shell tri elements against other codes
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7
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315
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April 28, 2026
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*EQUATION and node set
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2
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114
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April 22, 2026
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Silent termination in orthotropic material analysis
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9
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200
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April 19, 2026
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Overconstraint conflict between TIE and BOUNDARY: Matching Displacements but Divergent Eigenvalues
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5
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128
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April 14, 2026
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Calculix build with Pardiso ILP64 for large models
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14
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375
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April 10, 2026
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*DEFORMATION PLASTICITY depends on *ORIENTATION
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5
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174
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April 2, 2026
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Problem using U1 element (general beam section)
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9
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2076
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August 1, 2023
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Collected posts on analysis issues from CalculiX’s Issues on GitHub
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3
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98
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March 16, 2026
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Tie constraint on the edges of 2D elements
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6
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284
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March 8, 2026
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Corrugated tube (bellow) - problem with analytical verification
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50
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796
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March 3, 2026
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*COUPLING and *DISTRIBUTING with CPE8R
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8
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303
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February 20, 2026
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RF axisymmetric with OUTPUT 3D
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3
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120
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February 13, 2026
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Keep getting segmentation faults on verification models when compiling on Linux ( GNU and Intel compilers )
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16
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612
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February 11, 2026
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Mortar contact pair
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9
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468
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February 9, 2026
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Contact issues in Visco analysis
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5
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194
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February 6, 2026
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REF Node of Pretension Section . Reaction Force
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8
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145
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February 3, 2026
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Initial velocity For shell elements
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6
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157
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January 15, 2026
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*BOUNDARY on coupling reference node yields trivial solution
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4
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171
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January 6, 2026
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Bad solution using S3 shell element and *DLOAD
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1
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118
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December 31, 2025
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