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ADVENTURECluster Solver is a core of ADVENTURECluster. It reads the model file, generates number of domains corresponding to parallel calculation, performs analysis and outputs results.
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| ADVENTURECluster Solver Version Up Summary |
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- Solver 4.5 (1/27/2011)
- Large deformation and the low density buffer material for the incompatible mode hexahedral linear element
The updated Lagrangian and total Lagrangian form have been supported in the incompatible mode hexahedral linear element. The low density buffer material has been also supported in this element.
- Beam element that supports the large deformation
The Euler-Bernoulli beam element that includes the large deformation function by the updated Lagrangian form and the total Lagrangian form has been supported.
- Connector element
The connector element that connects two nodal points has been supported. The nonlinear elasticity or the viscosity with respect to the relative displacement or the relative velocity between the two nodal points can be given.
- Contact clearance depending on the nodal points on the contact pair
The contact clearance, which had been fixed as a constant on each contact pair, has been supported as a input variable.
- Enhancement of the sub-model analysis
In case that a contact surface is on a boundary surface of a sub-model, analysis results of the global model had not brought on the boundary surface in some cases. By adding a function that gives a relationship between the boundary surface and element groups of the global model, this problem has been resolved.
- Fracture mechanics parameters
IO Version 2 has been supported for the stress intensity factor and the J-integral.
- Windows 7
32 bit and 64 bit Windows has been supported as the operating environment.
- Platform MPI
Platform MPI has been supported as the standard MPI instead of HP-MPI. The present version of Platform MPI is 8.0.
- Zero suppression in the analysis result output
Zero suppression in the analysis result output has been supported. That is, the nodal points or the elements are excluded from the output item list if these values are all zero.
- State variable of the user-defined material
Optional output and the initial value setting for the state variable of the user-defined material has been supported.
- Enhancement of the output extraction tool "hddmmrg"
Corresponding to the zero suppression stated in No.9, a function that outputs zero values has been supported in the output extraction tool "hddmmrg." Other enhancements have been added.
- Enhancement of the binary-to-text tool "advshow"
The binary-to-text tool "advshow" has been extended in function.
- Performance improvement in case of many ADV documents
In case that the model file includes many ADV documents, for example, different material properties are specified on each element, input performance had been inferior in some cases. This inferiority has been resolved.
- Enhancement of the ABAQUS-inp-file-converter
The ABAQUS-inp-file-converter has been extended in function.
- Solver 4.4 (7/26/2010)
- Explicit dynamic analysis
A dynamic analysis using explicit method has been supported. The explicit dynamic analysis will give better results with an analysis where a state changes drastically within a short period of time, e.g. a drop impact analysis. The latest version will perform better with an infinitesimal deformation elastic material and with the contact condition assuming infinitesimal small slides.
- Elastoplastic composite work-hardening law
As an elastoplastic hardening law, the mixed hardening law consisting of the mixture of the non-linear isotropic hardening law and the non-linear kinematic hardening law has been supported. The mixed hardening law has higher reproducibility of plastic deformation under iterative loads than the isotropic hardening law.
- User-defined material
A function that users can make and include the material constitutive law as an external function has been supported.
- User Function support on Windows version
The existing user defined creep constitutive function, the viscoelastic constitutive function supported on Linux system on the Microsoft Windows environment has been supported. The user-defined material noted above works on the Windows also.
- Extension of the specification of the search range by the distance in the sub-model analysis
In the sub-model analysis, the analysis results from a global model is mapped on boundaries of the sub-model. Although the distance is defined on the element coordinate system in the existing version, the total coordinate system has been supported in the definition of the distance.
- Modification of the extension range of the search range in the sub-model analysis
The extension range of the search range in the sub-model analysis has been partly modified.
- Specification of the thickness of the gasket element
The thickness of the gasket element has been changed to be a specified parameter. Instead of using thickness of an element geometry, the specified thickness, if any, will be used for the stiffness evaluation. The thickness of the original element geometry cannot be set to be zero.
- Thermal load for the thickness-direction-restricted gasket element
The thermal load has been supported for the thickness-direction-restricted gasket element with pentahedral and hexahedral geometry.
- Low density buffer material
The low density buffer material has been added to the material model. In tension, the stress-strain curve is linear, whereas in compression, it is nonlinear isotropic elastic with the Poisson ratio.
- Performance improvement for FEM models that have large number of contact pairs or MPCs
In case that the analysis model has large number of contact conditions and MPCs, parallel performance has been improved. The larger the number of parallel processes, the higher the performance.
- The reaction force for the constrained DOFs
On the reaction force (the label name is "ReactionForce") for the constrained DOFs in the previous version, the applied load was not considered, and thus there were a case where the applied load and the reaction force were not been balanced. This has been fixed in this version.
- ABAQUS input data converter
The function of the ABAQUS input data converter has been extended.
- Solver 4.3 (12/17/2009)
- Performance improvement
Performance of the CGCG method has been improved.
- Contact stabilize function
Contact stabilize function has been supported
- Gray cast iron material
The yield condition of the gray cast iron material has been supported. The yield condition of the gray cast iron is the mixture of the von Mises type and Rankine type, the former corresponds to compression and the latter to tension, respectively.
- Drucker-Prager and Mohr-Coulomb yield condition
The yield condition of Drucker-Prager and Mohr-Coulomb have been supported.
- Direct input of the stress strain curve
In the existing version, in case that a multi-linear elastoplastic curve is used, the work hardening coefficient was needed as an input. In the 4.3 version, the direct input of the stress-strain curve has been supported.
- Improvement of judgment condition of the over-constrained condition
Judgment condition of the over-constrained condition has been improved in case that the linear constraint condition is assumed on the contact surface.
- Material properties for the gasket element
In the existing version, the transverse shear coefficient and longitudinal shear coefficient were able to be specified as the functions of the closing volume and the pressure. In the 4.3 version, in addition, the two coefficients have been able to be specified as the functions of the strain and the stress.
- Improvement of the convergence judgment
The convergence judgment for a dynamic analysis has been improved.
- Modification of the definition of the contact search width
The contact search width "search_width" has been modified.
- Contact condition for the heat transfer element
The contact condition for the heat transfer element has been supported.
- ABAQUS input data converter
The function of the ABAQUS input data converter has been extended.
- Contact and the linear constraint for the explicit piezoelectric dynamic analysis
The contact and the linear constraint for the explicit piezoelectric dynamic analysis have been supported.
- Solver 4.2.4 (10/9/2009)
- Performance improvement in case that a number of rigid elements exist
Performance of the solver has been improved in case that a number of rigid elements are connected to one nodal point.
- Performance improvement of the ABAQUS input data converter
Performance of read-in process of temperature data in the ABAQUS input data converter has been improved for the IO format Version 2.
- Performance improvement of the trial analysis for an elastic plastic analysis
Performance of the trial analysis for the elastic plastic analysis that is conducted at the start of each incremental step has been improved.
- Solver 4.2 (7/24/2009)
- Visco-elastic analysis function
The visco-elastic analysis function based on the generalized Maxwell model has been supported. This analysis analysis function can be used both in the static analysis and the dynamic analysis. Also, the function can be used with the large deformation analysis with both the updated Lagrange and total Lagrange formulation. This function can be used in the IO format Ver.2 only.
- Thermal-structure coupling analysis
Bi-directional thermal-structure coupling analysis has been supported. In the existing version, the structural analysis reffering to the results of the heat conductivity analysis and also the heat conductivity analysis reffering to the result of the structural analysis were possible. However, in the present version, the coupling analysis of the both analyses have been able to be performed in a stagard way. In addition to the change in the thermal load or material property, the change in the thermal contact condition due to the change in the mechanical contact state of the component have become possible.
- IO format Version 2 for the NASTRAN input data converter
IO format Version 2 for the NASTRAN input data converter has been supported.
- Large deformation analysis for the implicit creep analysis
The large deformation analysis with both the updated Lagrange and total Lagrange formulation has been supported for the creep analysis.
- IO format Version 2 for the explicit piezoelectric dynamic analysis
IO format Version 2 for the explicit piezoelectric dynamic analysis has been supported.
- Incompatible mode hexahedral element for the rate-dependent non-linear kinematic hardening model
The incompatible mode hexahedral element has been supported for the rate-dependent non-linear kinematic hardening model.
- Performance improvement in case that a number of rigid elements or beam elements exist
Performance has been improved in case that a number of two nodal point element such as the rigid element or the beam element are radially combined.
- Windows Vista
Windows Vista has been added to the operating environment.
- Nodal DOF of quadrilateral shell
The number of degrees of freedom of the nodal point of the quadrilateral shell element has been changed from 5 to 6.
- Default values of the convergence judgment and the automatic increment parameter
Some of the default values of the convergence judgment and the automatic increment parameter have been changed.
- Solver 4.1.5 (5/11/2009)
- Performance improvement in the case that a number of principal axes of the material exist
Performance was improved in case that a number of principal axes of the material exist, e.g. every material has a different material principal axis.
- Convergence improvement of the contact analysis with friction
Convergence has been improved of the contact analysis with friction in case of the infinitesimal slip contact and infinitesimal deformation.
- Improvement of the interpolation for the unloading path of the gasket element
Interpolation method for the unloading path, immediately after unloading, of the gasket element has been improved,
- Solver 4.1 (5/11/2009)
- Sub-model Analysis in the heat transfer analysis
The sub-model analysis in the heat transfer analysis has been supported in addition to existing structural analysis.
- Improvement of the implicit creep analysis
Stability of the implicit creep analysis has been improved.
- Clearance function in the finite slip contact contact analysis
Clearance setting in the finite slip contact contact analysis has been supported in addition to existing the infinitesimal slip contact analysis.
- Improvement of the interpolation for the unloading path of the gasket element
Interpolation method for the unloading path of the gasket element in case that sampling points were rough has been improved,
- Windows
Windows has been added to the operating environment.
- Solver 4.0.4 (6/30/2008)
- Result file converter to the universal file
File converter that converts analysis result to universal file was modified so as not to use memory.
- Critical penetration volume for the dynamic contact analysis
The critical penetration volume in the dynamic analysis has been supported in addition to existing the static contact analysis. If users define this critical penetration volume, the time step is controlled in a way that the penetration exceeds the volume.
- Solver 4.0.2 (4/1/2008)
- ABAQUS input data converter for the new format Version 2
ABAQUS input data converter for the new format Version 2 has been supported.
- Solver 4.0 (2/15/2008)
- New IO format Version 2
The new IO format named Version 2 has been released.
- Sub-model analysis
The sub-model analysis function has been supported.
- Output of contact pressure of the quadratic tetrahedral element
The quadratic tetrahedral element brings different pressure value on the principal nodal points and the intermediate nodal points, in which the former gives incorrect value in general. This problem has been improved in a way that the pressure values on the principal nodal points are calculated by the intermediate nodal points.
- Reference to results of the contact analysis in the heat transfer analysis
In the heat transfer analysis, reference to results of the contact analysis hase become possible.
- Large deformation analysis in the lead-free solder analysis
Large deformation analysis has been supported in the lead-free solder analysis.
- Laminated element
The laminated elements for the linear pentahedral, quadratic pentahedral, linear hexahedral (except the reduced integration), quadratic hexahedral element have been supported.
- Improvement of the convergence of the elastoplastic analysis by the modified quadratic tetrahedral elements
The convergence of the elastoplastic analysis by the modified quadratic tetrahedral elements has been improved.
- Initial clearance and thermal expansion for the gasket element
Initial clearance and thermal expansion for the gasket element have been supported.
- Improvement of the convergence of the nonlinear analysis of the gasket element
The convergence of the nonlinear analysis of the gasket element has been improved.
- Solver 3.3 (10/15/2007)
- Finite slip in the contact analysis
Finite slip has been supported in the contact analysis.
- Piezoelectric Analysis
The piezoelectric Analysis has been supported.
- New IO file format (evaluation version)
New IO file format (evaluation version) has been supported.
- Solver 3.2 (3/30/2007)
- Average thermal expansion coefficient
The average thermal expansion coefficient has been supported in addition to the existing instantaneous thermal expansion coefficient.
- HP-MPI
HP-MPI has been adopted as the standard MPI for the solver.
- Performance improvement of stick/slip contact in the multiple plates
Performance of stick/slip contact in the multiple plates has been improved. Ten to twenty times higher performance can be obtained depending on models.
- Adjustment function in the contact analysis
Adjustment function of the initial nodal position in accordance with the initial surface has been supported in the contact analysis.
- Initial stress
Setting of the initial stress in the analysis input model was supported.
- Enhancement of geometric nonlinear analysis
The rigid bar element and the rigid rod element in the updated Lagrange method in the large deformation analysis have been supported.
- Stabilize function
A function of stabilizing models without imposing a constraint of rigid body motions in the static analysis has been supported.
- Handling of deleted elements
A function of restoration of deleted elements in the previous step has been supported (see No.2 of V3.1).
- Stability improvement of the maintain process of the RDNLK
Stability of the maintain process of the RDNLK has been improved by revising the convergence criteria.
- Enhancement of the incompatible mode hexahedral element to the elastoplasticity
The elastoplasticity has been supported in the incompatible mode hexahedral element
- Linear kinematic hardening in the elastoplastic analysis
The linear kinematic hardening has been supported in the elastoplastic analysis.
- Field variable
The field variable specified by users for Young's modulus, Poison ratio and thermal expansion coefficient has been supported.
- Coordinate system of stress-strain output of gasket element
The coordinate system of the stress-strain output of the gasket element has been changed from the global coordinate system to the element coordinate system.
- Low cycle fatigue analysis
The Low cycle fatigue analysis has been supported.
- Finite rotation of the contact surface in the updated Lagrangian large deformation analysis
Finite rotation of the contact surface in the updated Lagrangian large deformation analysis has been supported.
- Large deformation analysis in the explicit creep analysis
Large deformation analysis in the explicit creep analysis has been supported.
- Temperature tying in the transient heat transfer analysis
A function of untying tied temperature of specified contact pair group during executing a transient heat transfer analysis has been supported.
- Automatic specification of the number of the second layer subdomains
Automatic specification of the number of the second layer subdomains has been supported.
- Solver 3.1 (2/12/2006)
- Dynamic nonlinear analysis
The dynamic analysis including the material and geometrical nonlinearity has been supported.
- Function of deleting elements during executing in the nonlinear analysis
A function that deletes elements during executing in the nonlinear analysis has been supported. This function corresponds to such as machining process.
- Improvement of the friction function in the contact analysis
The friction function in the contact analysis has been improved, and the convergence has been improved.
- Steady heat transfer analysis over multiple steps
The steady heat transfer analysis over multiple steps has been supported.
- Rate-Dependent nonlinear kinematic hardening model (RDNLK)
A new material model, which we named the Rate-dependent nonlinear kinematic hardening model(RDNLK), has been supported using the Ohno-Wang kinematic hardening model, in addition the Armstrong-Frederick model for the lead-free material model. This model is a particularly effective method for high temperature problems.
- Thermostat function in the heat transfer analysis
Thermostat function in the heat transfer analysis has been supported. Users can switch the boundary condition on or off using this function depending on the specified node temperature.
- Incompatible mode linear hexahedral element and the reduced integration linear hexahedral element
The incompatible mode linear hexahedral element and the reduced integration linear hexahedral element have been supported.
- 6-node gasket element with pentahedral prism geometry
6-node gasket element with pentahedral prism geometry has been supported.
- Solver 3.0 (9/29/2005)
- Lead-free solder creep analysis function MEML (Model of EcoMaterials Library)
Lead-free solder creep analysis function has been supported, which is named MEML (Model of EcoMaterials Library).
- Coulomb friction in the contact analysis
The Coulomb friction in the contact analysis has been supported.
- Input of the results of the transient heat transfer analysis into the nonlinear heat stress analysis
Input of the results of the transient heat transfer analysis into the nonlinear heat stress analysis has been supported.
- Multiple load case analysis of the linear static analysis
Multiple load case analysis of the linear static analysis has been supported.
- Hexahedral 8-node heat transfer element
Hexahedral 8-node heat transfer element has been supported.
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Contact us at:
postmaster@alde.co.jp
if you have any questions.
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