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  1. New users/FAQ
  2. convergence and fibre orientation
  3. Relative motion between the rigid bodies
  4. rigid shell specification
  5. Rigid joints.
  6. FEBio and memory
  7. Sliding Interfaces
  8. Parameter Units and Limitations
  9. Nodal Load
  10. Diverging problem (& other behavior)
  11. Different geometry but the same conditions
  12. syntax errors in writing xml
  13. Negative Jacobian
  14. indentation of circular membrane
  15. Unrecoverable Error
  16. Mooney-Rivlin model
  17. Shell model
  18. Segmentation fault
  19. Poroelasticity
  20. Sliding Surface Deck Error
  21. Rigid element translation difficulty
  22. Contact
  23. Augmented Lagrangian
  24. running febio with a preview file
  25. The mystery of "must" points...
  26. Foam material
  27. Tendon Material
  28. Muscle Material Activation
  29. Cylindrical meshes
  30. Muscle model
  31. Problem with nodal coordinate units
  32. loadcurve
  33. Referencing FEBio and other software
  34. Must point curve for generating plot file
  35. "Illegal Instruction"
  36. Contact Definition in XML
  37. Muscle material - Lambda tag not recognised
  38. Request output as text file
  39. Displacement driven contact not working
  40. quick-release
  41. Material coordinates?
  42. Interface elements
  43. Transversely Isotropic MR Activation
  44. FEBio and electro-conductivity FEM model
  45. Shell formulation
  46. Sliding Interface
  47. Problem with .feb file?
  48. Dynamics
  49. Error message
  50. Fiber direction error
  51. Factorization error
  52. Inconsistent
  53. Poroelastic run won't start?
  54. Tips for other users:
  55. poroelastic model don't start
  56. Beam bending
  57. FEBio survey summary
  58. Outputting strains to plot for shell elements
  59. Logging nodal strains
  60. Plant tissue
  61. iterative solver
  62. Engineering strains
  63. Specifying Fiber Direction with Node Numbers
  64. Springs?
  65. Time step cutback
  66. Other transversely isotropic materials
  67. Biphasic Question
  68. isotropy of biphasic materials
  69. Random kick-off and ultimately negative jacobian
  70. Requesting Reaction Force for Deformable Nodes
  71. Crack tip element?
  72. Ubuntu 10.04 Incompatibility
  73. compression using a rigid_wall contact
  74. Vista 64bit and Win7 32bit executables available
  75. Similar problems with very different results
  76. Multi-step: first step fails if second step exists
  77. pressure_stiffness parameter
  78. FEBio not in line with beam theory
  79. Biphasic non-zero flux boundary condition?
  80. Ogden compressibility
  81. Maximum number of elements/vertices
  82. Large Deformation Problem: limit of applicability of Lagrangian formulation
  83. Running FEBio on Linux machine (Ubuntu)
  84. Cylindrical co-ordinate system
  85. Nike3D importer and exporter
  86. maximum number of materials
  87. Large compression instabilities / Negative Jacobians
  88. mixture of materials
  89. Arterial modelling
  90. Abaqus or SolidWorks
  91. Sliding2 producing phantom stresses
  92. Diverging problem and Negative jacobian
  93. Element data logging
  94. Debug mode causes "Zero diagonal on row 3."
  95. Logging the strain-dependent permeability
  96. Fluid pressure convergence tolerance
  97. Regarding material models
  98. Output section - logfile
  99. Fluid phase ignored after first step
  100. Loading Rigid Body-negative jacobian
  101. Restart input file
  102. new to FeBio
  103. Reforming stiffness matrix
  104. volume forces
  105. Compression study
  106. Fluid structure interactions
  107. Friction
  108. Parameter optimisation
  109. Biphasic variables outputs
  110. Speeding up force-driven biphasic problem
  111. Problems with multi-step biphasic simulation using Ogden material
  112. Parameter Optimization
  113. three-field element implementation
  114. problem on running FEBio
  115. Biphasic simulation inconsistencies with Ogden material
  116. Slow running/termination errors
  117. Any Linux Version recommended for FeBio?
  118. Search radius for contact not recognized
  119. ERROR during factorization: Not enough memory
  120. Vista 64-bit version: contact_traction missing updates
  121. Maximum stress for a material
  122. Tendon Friction (unrecognized tag "lambda")
  123. Moment for shell
  124. Biphasic model for hydrogel
  125. Compiling FEBio (Windows Vista 32bit)
  126. separate output file for nodal coordinates
  127. Tied Contact Algorithm
  128. relative volume (biphasic)
  129. initial negative jacobian
  130. Biphasic modelling: dependent/independent fluid flow
  131. Call for publications
  132. Running A Batch of .feb Files
  133. Optimization-variable is not recognized
  134. Tri shell and quad shell
  135. FECore header files cannot be found
  136. anti-symmetry in tri shell
  137. Difficulties with biphasic analysis
  138. dynamic biphasic
  139. Fatal Error Messge
  140. unrecognized tag
  141. Biphasic fluid flux boundary conditions
  142. Program crash
  143. PostView doen't open large plt file
  144. difficult in convergence when decrease step size
  145. Deformation Gradient/Piola–Kirchhoff Stress Output
  146. bad contact pressure if elements not fitting close
  147. Gmsh file import
  148. combining bodyforces
  149. Rigid body rotation
  150. How to perform finer discretisation manually
  151. pore pressure disagree with ABAQUS
  152. Multi-step analysis / Force a dump?
  153. free draining & no fluid flow contact surfaces
  154. multiple tied surfaces
  155. volume ratio of fluid in FEBio
  156. unjustified error warning of inverted elem.
  157. in/output files
  158. tied interface
  159. Strain Energy
  160. Shell thickness in logfile
  161. convergence problems for natrual shaped cartilage
  162. Help with Multi-step analysis
  163. Force Load
  164. Fung Orthotropic Material
  165. Local coord system
  166. Problem with viscoelastic material
  167. Import of Hypermesh file
  168. Estimating Memory Usage in Pardiso
  169. about uneven contact pressure contour
  170. Multi contact pairs
  171. similar models don't run the same
  172. Strange blowup of elements
  173. Running FEBio
  174. apply nodal force to contact problem
  175. contact areas output
  176. about biphasic solute problem
  177. Jacobian of a Shell Element
  178. License for commercial use
  179. Modular model file
  180. Is there any elements limitation of FEBio?
  181. citation
  182. Cylindrical fiber orientation
  183. Initial conditions at material points
  184. poroviscoelastic material definition
  185. How to set for frition sliding contact?
  186. Seperate viscoelastic gound-matrix and viscoelastic fibres
  187. Convergence Issues due to Contact
  188. orientation about fung orthotropic material
  189. Importing .feb into PreView fails with materials
  190. Running FEBio on MAC
  191. Twisting instability with incompressible hex elements
  192. Memory allocation error
  193. FEBio on Mac
  194. Initial negative jacobians
  195. help with exporting results to ASCII format
  196. spring: two-piece, one linear one non-linear
  197. Rigid Body rotation vs prescribed nodal rotation
  198. fiber model (Tension-compression)
  199. Inverse FE Models
  200. linear or nonlinear spring
  201. heat transfer in Febio (example?)
  202. About the time-consuming biphasic problem
  203. Optimization - biphasic material parameters
  204. Installing postview and preview
  205. Error message with the multi-step analysis
  206. Problem Running a Trans Iso Mooney-Rivlin Biphasic UnConfined Compression Model
  207. More negative jacobian problems, non-initial ones this time
  208. Permeation simulation
  209. making XPLT file
  210. Output Forces at Constrained Nodes
  211. nodal output name field error
  212. ECM Diffusion Model
  213. relative motion between objects in contact
  214. Increasing compression amounts
  215. Nodal boundary contraints
  216. Mooney Rivlin strain energy density function
  217. Setting Time Steps
  218. Renumbering nodes and elements
  219. Donnan Equilibrium w/Mixture of Solids
  220. Outut log file: Solute Concentration
  221. insert new material model
  222. large compression contact problem
  223. Why are fluid pressure and effective fluid pressure different in FEBIO results?
  224. Multiple Logfiles
  225. Call for images/video
  226. Measuring Fluid Pressure in EFD Donnan free swelling model
  227. about downloading files, Chieh
  228. negative jacobian detected when adding shell elements
  229. Contact pressure on the slave surface when it contacts with two master surfaces
  230. FEBio licence
  231. How to save only one type of stress rather than all components
  232. OS
  233. A simple question about defining pressure surface
  234. Visco Hyper Elastic Material Model
  235. FEBio validation, BC effect, varying Young's modulus
  236. Conforming meshes
  237. Hiding Parts/ Element Sets
  238. Errors while using Viscoelastic Biphasic Materials
  239. I really need help on this one, greatly appreciated!
  240. Instantaneous vs Equilibrium modulus
  241. Combination of displacement and force ?
  242. Modeling muscle and/or ligament
  243. Triphasic unconfined compression
  244. GPU computing with FEBio
  245. Too high stress ?
  246. Question on nodal forces
  247. problem is diverging. stiffness matrix will now be reformed
  248. Issues with contact in FEBio 1.5.1
  249. Are there any examples on heat anaylsis?
  250. Adaptive Fiber orientation