Double Precision Differential/Algebraic Sensitivity Analysis Code
DDASAC solves nonlinear initial-value problems involving stiff implicit systems of ordinary differential and algebraic equations. Purely algebraic nonlinear systems can also be solved, given an initial guess within the region of attraction of a solution. Options include automatic reconciliation of inconsistent initial states and derivatives, automatic initial step selection, direct concurrent parametric sensitivity analysis, and stopping at a prescribed value of any user-defined functional of the current solution vector. Local error control (in the max-norm or the 2-norm) is provided for the state vector and can include the sensitivities on request.
- Short Name / Acronym:
- DDASAC
- Project Type:
- Closed Source
- Site Accession Number:
- 2621
- Software Type:
- Scientific
- Research Organization:
- Univ. of Wisconsin, Madison, WI (United States)
- Sponsoring Organization:
- DOE/ERPrimary Award/Contract Number:FG02-84ER13291
- DOE Contract Number:
- FG02-84ER13291
- Code ID:
- 12493
- OSTI ID:
- code-12493
- Country of Origin:
- United States
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