CAE Fidesys 9.0 Documentation

Software History

Version 5.1

Released: december 2022

Functional Additions and Improvements

• Added common contact with friction for FEM and SEM;
• Supported order for the SEM - 9;
• Added step-by-step loading with a change in the topology (composition of blocks) of the body, taking into account finite deformations;
• Added elastic-plastic calculation for the Drucker-Prager model with tabular (multilinear isotropic) asymmetric hardening for small deformations;
• Added calculation of poroelastic effective properties;
• Added integration with BricsCAD and NanoCad packages;
• Added linear isotropic hardening type 1 for the von Mises plasticity model;
• Added calculation of thermal conductivity for orthotropic laminate shells;
• Added calculation for orthotropic thermoelasticity;
• Added the ability for material properties to set dependence on temperature;
• Added the ability to calculate random vibration;
• Added specification of cylindrical and spherical coordinate systems (preprocessor);
• Added ability to calculate materials with zero density for modal analysis;
• Fixed display of results in the 3D view of beams for high SEM orders;
• Improved and extended *.cdb file converte.

New Features in CAE Fidesys 5.1

Version 5.0

Released: june 2021

Functional Additions and Improvements

• Plasticity according to the Drucker-Prager criterion with tabular (polylinear isotropic) symmetric hardening with small strains for static and dynamic analyzes;
• Added additive manufacturing simulation module (alpha version);
• Added calculation with bolt pretension (displacements and force);
• Added calculation of laminate shells taking into account thermal conductivity in multilayer isotropic and orthotropic (alpha version) shells;
• Added orthotropic thermoelasticity;
• Improved calculation algorithm with common contact without friction (FEM and SEM);
• Improved iterative solver algorithms.

New Features in CAE Fidesys 5.0

Version 4.1

Released: december 2021

Functional Additions and Improvements

• Added thermoelastic calculation of effective material properties;
• Added sliding contact without friction, including for non-conformal meshes with spectral elements;
• Added multi-step calculation with changing material parameters between steps;
• Added 3D geomechanical analysis within the poroelastoplastic model (taking into account the pressure of the saturating liquid / gas) symmetrically hardened media;
• Improved calculation considering plasticity effects;
• Integration with software package Universal Mechanism;
• Added calculation taking into account viscoplasticity (alpha version).

New Features in CAE Fidesys 4.1

Version 4.0

Released: may 2021

Functional Additions and Improvements

• Added support for anisotropic (Transversely isotropic and orthotropic) Material Models (alpha version);

• Support for the linked contact in the solution problems of thermal conductivity and piezoconductivity;

• Implemented modal analysis for harmonic indices in problems with boundary conditions of cyclic symmetry;

• Added elastic links with component-wise rigidity;

• Added rigid and elastic links in direction;

• Added a new point finite element without mechanical characteristics for applying loads through the reference point (Point);

• Added the ability to set related contact when calculating the effective properties;

• Added external integration CFD;

• Added the ability to load the initial state from vtu.

New Features in CAE Fidesys 4.0

Version 3.1

Released: november 2020

Functional additions and improvements

• Added a new type of elements - laminated shells;

• Added calculation of effective mechanical characteristics of materials, taking into account nonlinear effects;

• Added the ability to solve non-stationary problems on non-conformal grids using the method of spectral elements;

• Added the ability to multi-step calculation of bodies with variable boundary conditions at steps;

• Added the ability to perform topological optimization of models;

• Added the ability to use local coordinates in the preprocessor;

• Improved algorithm for working with conditions of cyclic symmetry;

• Improved algorithm for calculating contact interactions for composite CAD-models and various types of analysis;

• Improved operation of the Linear Spectral Analysis filter.

Additions and improvements to the preprocessor

• Added display of 3D beam sections in the preprocessor;

• Improved the process of setting properties for blocks;

• Improved algorithm for generating triangular mesh;

• New options for removing surfaces;

• New command for removing cavities in solid bodies;

• Improved command for collapse angles at the vertex;

• Added command to remove overlapping volume;

• New possibilities for working with geometry;

• Improved Sculpt Automatic All-hex Meshing technology.

Version 3.0

Released: may 2020

Functional additions

• Generator of unstructured hexahedral meshes and meshes with a hex dominant option;

• New methods to assess the quality of the mesh;

• A new tool for finding mesh intersections;

• Ability to build geometry from nodesets;

• Saving the quality data when exporting a mesh;

• Creating prism elements based on triangular elements;

• Mesh-building features now include the Sculpt auto hex algorithm;

• Defining the yelding model using the stress / strain curve;

• Implemented a response spectrum method for solving linear dynamic problems using the reaction spectrum.

Functional improvements:

• Improved algorithm for constructing a triangular and tetrahedral mesh.

New types of boundary conditions:

• Coupling Constraint (rigig body movement);

• Boundary conduction: Heat Source, Volume Heat Source, Fluid Flux.

Additions and improvements in the preprocessor:

• Added ability to edit material from the Model Tree;

• Upgraded solid modeling engine.

Additions and improvements in the postprocessor:

• Added filter Modal Combination.

Version 2.2

Released: october 2019

Functional additions

• Ability to calculate complex CAD-models with offsets / overlaps between bodies for all types of analysis, including dynamic with direct integration;

• Ability to change the material properties in blocks for multistep loading.

Functional improvements:

• Accuracy of displaying results for 3D view is improved for beam elements;

• Accuracy and speed of dynamic analysis by using direct integration.

New types of boundary conditions:

• Direction on restraint for setting boundary conditions along the normal or tangent;

• Periodic boundary conditions for modeling cyclosymmetry and periodic structures;

• Boundary condition Radiation for thermal conductivity and thermoelasticity problems.

Additions and improvements in the preprocessor:

• Added toolbar with options for displaying the model along the coordinate axes.

• The Start / Stop / Pause calculation control buttons added on the toolbar.

Additions and improvements in the postprocessor:

• Improved the Coordinate system filter.

Version 2.1

Released: june 2019

Functional additions

• Increased the speed of working with geometric models consisting of a large number of elements, the loading and preprocessing time for such models in particular;

• Added automatic recording of dynamic calculations results (displacements, velocity, pressure, principal stresses) in SEG-Y files for beam and shell elements.

Version 2.0

Released: february 2019

Functional additions

Added calculation of multi-step loading:

• Setting of active boundary conditions for each loading step (adding / removing BC in steps) available;

• Setting of the boundary conditions for each loading step in the form of a table dependence (change of BC on the steps) available;

• Setting of active blocks in the model for each loading step (adding / deleting blocks in steps) available.

Recording and reading a file in SEG-Y format:

• Added automatic recording of dynamic calculations results (displacements, velocity, pressure, principal stresses) in SEG-Y files for required receiver lines;

• The ability to open and analyze SEG-Y files added to FidesysViewer.

Additions and improvements in the preprocessor:

• Added support for formula and table dependencies for material constants in import and export of materials;

• Added drawing graphs for table dependencies;

• Enabled the ability to create models in the preprocessor without reference to the type of license key. For example, you can create a model for non-linear calculation, having only a key for the Standard version and then calculate on the workstation where the key for the Professional version is available.

Version 1.7.1

Released: september 2018

Functional additions

New types of boundary conditions:

• bonded contact (the ability to solve large assemblies on nonconformal mesh of different order);

• radiation;

• volume heat source;

• pore pressure;

• fluid flow;

• source of fluid;

• volume source of fluid.

New types of analysis:

• pore fluid transfer;

• calculation of effective coefficients of thermal expansion.

Added ability to set initial conditions:

• initial displacement;

• initial speed;

• initial angular velocity;

• initial temperature;

• initial pore pressure.

New material properties:

• multilinear hardening (Mises);

• prestress;

• piezoelasticity.

Additions and improvements in the preprocessor:

• a new smart method for setting materials.

Additions and improvements in the postprocessor:

• improved software interface.

Version 1.7.0

Released: august 2017

Functional additions

New element types:

• springs;

• sphere element;

• beam elements of the second order (with intermediate nodes).

New types of boundary conditions:

• distributed force;

• rigid coupling;

• gravity;

• angular velocity;

• non-reflective boundary conditions and initial conditions in dynamic analysis.

New types of analysis:

• harmonic analysis;

• method of superposition of modal forms, including the setting of damping parameters, for solving dynamic problems.

Features added:

• Ability to set dependencies of material parameters on coordinates / temperature;

• Ability to calculate the effective masses and coefficients of participation of own forms of the structure;

• New section profiles for beam elements;

• Improved the generator of unstructured settlement mesh operation, including the case of hybrid mesh;

• Added support for CATIA v5, v6 formats.

Improvements:

• Improved the generator of unstructured settlement mesh operation, including the case of hybrid mesh.

Additions and improvements in the preprocessor:

• Improved stability.

Additions and improvements in the processor (calculation module):

• Elastoplastic deformation according to the Drucker-Prager model;

• Harmonic analysis;

• Ability to simulate couplings.

Additions and improvements in the postprocessor (3D-visualization module):

• Improved operation of the software interface based on Python Shell.

Version 1.6 R2

Released: april 2015

Functional additions

Updates and improvements in the preprocessor:

• Possibility to automatically process the calculation results of composites effective properties;

• Operations stability increased.

Updates and improvements in the processor:

• Elastoplastic deformation by the Drucker-Prager model;

• Calculation of the effective properties of composite materials;

• HPC and Dynamics modules available in Standard and Professional.

Updates and improvements in the postprocessor (3D-vizualization module):

• Improved the programming interface operation based on Python Shell.

Version 1.6

Released: february 2015

Functional additions

Features added:

• support for importing geometry in the following CAD-formats:

• SolidWorks;

• Parasolid;

• Pro/Engineer.

• support for APREPRO (An Algebraic Preprocessor for Parameterizing Finite Element Analyses);

• Added new profiles of beam cross section:

• Channel (C-shape);

• Corner (L-shape);

• Taurus (T-shape);

• Z-shape;

• Hollow rectangle.

• Possibility to set boundary conditions using tabular and formular dependency on the coordinates and temperature for static analysis;

• New generator of adaptive tetrahedral meshes;

• Improved the panel of nonlinear solver settings;

• Ability to calculate contact interaction in the 3d case for volumetric models and in the 2d case for flat models Contact surface binding in 3D and the contact curves binding in 2D;

• Ability to calculate natural frequencies taking into account the preliminary stress state;

• Automatic adaptive calculation of the loading steps size;

• Output of intermediate results and calculation log (textual information on the status of the calculation by stages) for nonlinear problems;

• Ability to calculate thermoelastic problems using shell elements of the second order: TRISHELL6, SHELL8, SHELL9;

• Support for multiprocessor calculations based on MPI technology for the following calculations:

• Spectral element method;

• Plasticity for small and finite deformations;

• Dynamic analysis for the explicit and implicit time schemes.

• Modified the incorporation of plastic deformation using finite element method and spectral element method taking into account:

• Finite deformations;

• Thermoelasticity.

• CAE Fidesys licensing system.

Improvements:

• Improved dynamic analysis perfomance;

• Improved the performance of spectral element method on hybrid meshes in buckling problems;

• Increased the solution tolerance of static problem with shear loading using 4-node plane and 8-node volumetric elements;

• FidesysViewer 1.6: added focusing of model elements in the current position of the mouse pointer;

• FidesysViewer 1.6:improved strength analysis filter operation;

• FidesysViewer 1.6: improved the “Agreed resultants” filter operation for shell structures;

• Improved the compatibility with Windows 8 and Windows 8.1;

• Improved The Progress Bar operation;

Version 1.5 R2

Released: july 2014

Functional additions

Features added:

• Ability to set the analytic spatial coordinates dependence of the boundary conditions;

• Possibility to produce graphs of the spatial coordinates and time dependency of the boundary conditions;

• The generation of console commands for setting up and running the calculation of the graphical interface widgets;

• Import/export of materials from the graphical interface;

• New version of FidesysViewer with a number of improvements.

Version 1.5

Released: june 2014

Functional additions

Features added:

• Static analysis for elastoplastic material models;

• Orthotropic materials;

• Physically nonlinear hyperelastic materials: Mooney-Rivlin and Murnaghan;

• Calculations by spectral element method for hybrid meshes;

• Possibility of parallel calculations on one or more computers using the MPI technology (linear statics, modal analysis, buckling);

• Calculation of the safety factor in accordance with various strength theories;

• 8-node shell elements SHELL8;

• Console commands to set analysis parameters and to run the calculation;

• Ability to set time dependence individually for each boundary condition in dynamic problems;

• Windows XP compatibility issues fixed.

Version 1.4

Released: december 2013

Functional additions

Features added:

• Buckling problems;

• Thermal conductivity and thermoelastic problems:

• Curvilinear finite elements;

• Geometrically nonlinear problems;

• The spectral element method for linear and nonlinear two-and three-dimensional static problems and modal analysis;

• Support for hybrid meshes.

Version 1.3

Released: july 2013

Functional additions

Features added:

• Beam elements;

• Shell elements;

• Geometry creation of high-speed processes by the spectral element method;

• Static and dynamic nonlinear problems;

• High-order finite elements.

Version 1.2

Released: february 2013

Functional additions

Features added:

• Computational performance improved;

• Plane-stress and plane-strain problems;

• The translation into cylindrical and spherical systems added in the postprocessor;

• The calculation of tensors invariants is added in the postprocessor;

• The visualization of the calculation results as contour lines is added in the postprocessor.

Version 1.1

Released: november 2012

Functional additions

• Parameter setting and calculation launch from the Main Menu of the preprocessor;

• Dynamic transient problems;

• Modal analysis;

• Hexahedral meshes support;

• The operation with projects and the calculation control system;

• The postprocessor’s localization support;

• The postprocessor performance improved.