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About the Analysis issues category
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0
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30
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January 20, 2026
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Weakness of 1st order shell tri elements against other codes
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11
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461
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October 10, 2026
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Cyclic symmetry ngraph=2 corrupted results file for restart frequency analysis
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2
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79
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October 9, 2026
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Nonlinear Axial Compression (Buckling) of a Cylinder not Converging
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104
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1848
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October 5, 2026
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HYPERFOAM Model Issue
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59
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527
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October 2, 2026
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Large model memory allocation and MPI
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1
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112
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September 29, 2026
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CalculiX 2.23: undersized fnl array in resultsmech.f — load1 reproducer and candidate fix
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5
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210
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September 14, 2026
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Tie constraint on the edges of 2D elements
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11
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483
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September 11, 2026
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Clearance Vs penetration
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16
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272
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September 10, 2026
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Large Difference between Solution at Integration Points and Nodes
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4
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229
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August 27, 2026
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Coupling constraints with shells
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0
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123
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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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154
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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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201
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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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627
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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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148
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June 19, 2026
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Connect BEAM to TRUSS
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11
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284
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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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196
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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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282
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June 6, 2026
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*EQUATION and node set
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2
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136
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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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217
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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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142
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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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407
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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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181
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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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2090
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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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105
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March 16, 2026
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Corrugated tube (bellow) - problem with analytical verification
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50
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861
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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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315
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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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128
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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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638
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February 11, 2026
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Mortar contact pair
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9
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508
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February 9, 2026
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