Functionality List

Data Structures Linear and Non-Linear Algebra PDE Modeling Parallel Computing Utilities Documentation Preprocessing Postprocessing User Interfaces Quality Assurance Problem Exploration Extensibility and Communication

Data Structures

General multidimensional array templates (man pages) List and set templates (man pages) Optimized numerical vector and matrix formats (man pages) Optimized spatial point representation (man pages) Structured, unstructured and staggered grids (man pages) Scalar and vector fields (man pages)

Linear and Non-Linear Algebra

Direct and iterative linear solvers (man pages) Multigrid solvers (man pages, presentation) Preconditioners (man pages) Convergence monitors (man pages) Non-linear solvers (man pages)

PDE Modeling

Stationary and time-dependent PDEs Linear and non-linear PDEs Systems of coupled PDEs (multi-physics problems) Finite element algorithms (man pages) Mixed finite element algorithms (man pages) Implicit finite difference algorithms (man pages) Explicit finite difference algorithms (man pages) Library of finite elements (man pages) Library of finite difference stencils (man pages) Run time selection of spatial dimension (1, 2 or 3 dimension. General dimension for some algorithms)

Parallel Computing

Parallelization of linear algebra operations in PDE applications (presentation)

Utilities

Extended I/O, CPU timing, smart pointers Result database handling (SimRes database) Scripts and makefiles for project management

Documentation

Textbook from Springer-Verlag (presentation) 50+ application templates (presentation) Complete header file documentation HTML reference manual with class hierarchy diagrams (presentation) Reports and scientific papers (presentation) Automatic application manual generation

Preprocessing

Transfinite mapping, super-element and lattice grid preprocessors (man pages) Tools for integration with GeomPack and Triangle Adaptive meshing (man pages, presentation) Interfaces to external preprocessor formats (man pages, presentation)

Postprocessing

Interfaces to Matlab, Gnuplot, IRIS Explorer, AVS, Vtk and more Filters for mapping of SimRes database to visualization tools (man pages) Integrated postprocessing in Windows GUI (presentation)

User Interfaces

Standard GUI with SimRes database browser, application control and integrated visualization on Windows (presentation) GUI with SimRes database browser and piping to visualization on Unix (illustration) GUI builder for application specific GUIs on Unix (illustration) Menu system interfacing through input file, graphical or command line mode (graphical, an input file)

Quality Assurance

Tools for automatic regression testing of applications Automatic memory handling Debugging tools Code transformation programs between Diffpack versions

Problem Exploration

Run time selection of all application and library entities, from simple variables to abstract data-types (illustration) Batch experiments by sequences of runs configured by the Menu system (example) Automatic report generation in LaTeX, ASCII or HTML (example)

Extensibility and Communication

Register user defined entities in Diffpack's entity tables for interoperability with Diffpack. Interfacing external modules for interoperation with Diffpack (e.g. elements, solvers, simulators, possibly in other languages) Compile time input control for running as slave under external processes

Copyright © inuTech GmbH. All rights reserved. Questions and comments regarding this web site should be directed to