Publications
See ASCEND bibliography for the research papers that led to the development of the ASCEND system.
The text of our publications, minus the active PDF links, is reproduced below:
Very Large Scale Modeling
Abbott, K.A.; Ph.D. Thesis, Carnegie Mellon University, Pittsburgh, PA, 1996. BibCite PDF File
Compiling and Solving 100,000 equations on a PC in (3) minutes
Allan, B.A. and A. W. Westerberg; Carnegie Mellon University, Pittsburgh, PA, 1998. Presented April 1998 at INFORMS Montreal conference. PDF File
Anonymous Class in Declarative Mathematical Modeling
Allan, B.A. and A. W. Westerberg; Carnegie Mellon University, Pittsburgh, PA, 1998. (Submitted.) PDF File
Reusability and Scalability in Modeling (Previously titled "Reusability in Modeling and Modeling Support Environments")
Allan, B.A. and A. W. Westerberg; Carnegie Mellon University, ICES Technical Report, November 1997. Pittsburgh, PA, 1997. (AIChE 1997 Meeting Paper 201f.) BibCite PDF File Talk PDF
A More Reusable Modeling System
Allan, B.A.; Ph.D. Thesis, Carnegie Mellon University, Pittsburgh, PA, 1997. BibCite PDF File
The ASCEND IV Language Syntax and Semantics
Allan, B.A. and Westerberg, A.W.; Carnegie Mellon University, EDRC Technical Report, 1997. BibCite PDF File
ASCEND IV: A portable Mathematical Modeling Environment
Allan, B.A., Rico-Ramirez, V., Thomas, M.,and Tyner, K.; Carnegie Mellon University, ICES Technical Report, October 1996. BibCite PDF File
Formalizing the Semantics of ASCEND
Bhargava, H., Krishnan, R., and Piela, P.; Proceeding of the 27th Hawaii International Conference on the System Sciences, IEEE Computer Society Press, 1994. Abstract
CEPHDA: Chemical Engineering Process Hierarchical Design with ASCEND
Dee, K. and Westerberg, A.; Carnegie Mellon University, EDRC Technical Report 06-140-92, 1992 Abstract
Implementation of an ASCEND Interpreter
Epperly, T.; Carnegie Mellon University, EDRC Technical Report 05-29-89, 1989 Abstract
Collocation Methods For Flexible Distillation Design
Huss, R.S.; Ph.D. Thesis, Carnegie Mellon University, Pittsburgh, PA, 1995. PDF File
Work Language Analysis and the Naming Problem
Katzenberg, B., and Piela, P.; Communication of the ACM, Vol. 36, No. 6, 86-92, 1993. Abstract
Reusing Mathematical Models in ASCEND
Krishnan, R., Piela, P., and Westerberg, A.; Recent Developments in Decision Support Systems, C. W. Holsapple and A. B. Whinston (eds.). Proceedings of the NATO ASI on Decision Support Systems. Springer-Verlag, in cooperation with NATO Scientific Affairs Division, 1993. Abstract
Design and Use of Dynamic Modeling in ASCEND IV
Perry, J.L. and Allan, B.A.; Carnegie Mellon University, EDRC Technical Report 06-224-96, 1996. BibCite PDF File
Equation-Based Process Modeling
Piela,P. and Westerberg, A.W.; Carnegie Mellon University, EDRC Technical Report, 1994. PDF File
An Introduction to the ASCEND Modeling System: Its Language and Interactive Environment
Piela, P., McKelvey, R., and Westerberg, A.; Journal of Management Information Systems ,Vol. 9, No.3, 91-121, 1993. Abstract
Integrating the User into Research on Engineering Design Systems ASCEND: An Object-Oriented Computer Environment for Modeling
Piela, P., Katzenberg, B., and McKelvey, R.; Research in Engineering Design, Vol. 3, 211-221, 1992 Abstract
ASCEND: An Object-Oriented Computer Environment for Modeling and Analysis: The Modeling Language.
Piela, P., Epperly, T., Westerberg, K. and Westerberg, A.; Computers and Chemical Engineering, Vol. 15, No. 1, 53-72, 1991. Abstract
ASCEND: An Object-Oriented Computer Environment for Modeling and Analysis
Piela, P.; Ph.D. Thesis, Carnegie Mellon University, Pittsburgh, PA, 1989. Abstract
Representation, Analysis and Solution of Conditional Models in an Equation-Based Environment
Rico-Ramirez, V.; Ph.D. Thesis, Carnegie Mellon University,1998. BibCite PDF File
Conditional Modeling in an Equation-Based Environment
Rico-Ramirez, V., Allan, B.A. and Westerberg, A.W.; Carnegie Mellon University, ICES Technical Report 06-242-98, 1998. BibCite PDF File
Complementarity Formulation for the Representation of Algebraic Systems Containing Conditional Equations
Rico-Ramirez, V. and Westerberg, A.W.; Carnegie Mellon University, ICES Technical Report 06-243-98, 1998. BibCite PDF File
Synthesis of Azeotropic Batch Distillation Separation Systems
Safrit, B.T.; Ph.D. Thesis, Carnegie Mellon University, Pittsburgh, PA, 1996. PDF File
Tool and Information Management in Engineering Design
Thomas, M.; Ph.D. Thesis, Carnegie Mellon University, Pittsburgh, PA, 1996. Abstract PDF File
ASCEND Modeling Language and Environment Notes
Westerberg, A.W.; CAPD Short Course Notes, Carnegie Mellon University, 1994. PDF File
Plans for ASCEND IV: Our Next Generation Equational-Based Modeling Environment
Westerberg, A.W., Abbott, K.A., and Allan, B.A.; AspenWorld 94, Boston Massachusetts, November 1994. Abstract
The ASCEND Modeling Environment and Its Implications
Westerberg, A., Piela, P., McKelvey, R., and Epperly, T.; Proceedings of the 4th International Symposium on Process Systems Engineering, I: Design, I.2.1 - I.2.12, 1991. Abstract
A Future Computer Environment for Preliminary Design
Westerberg, A., Piela, P., Subrahmanian, E., Podnar, G., and Elm, W.; Proceedings of the Third International Conference on Foundations of Computer Aided Process Design, J. Siirola, I. Grossmann, and G. Stephanopoulos (eds.), 1989. Abstract
Thoughts on a Future Equation-Oriented Flowsheeting System
Westerberg, A.W. and Benajamin, D.R.; Computers and Chemical Engineering, Vol. 9, No. 5, 517-526, 1985. Abstract
Development of Software for Solving Systems of Nonlinear Equations
Westerberg, K.; Carnegie Mellon University, EDRC Technical Report 05-36-89, Pittsburgh, PA, 1989. Abstract BibCite PDF File
Development of Software for Solving Systems of Linear Equations
Westerberg, K.; Carnegie Mellon University, EDRC Technical Report 05-35-89, 1989. Abstract PDF File
Variations in Solids: A Declarative Treatment
Woodbury, R. F.; Computers and Graphics, Special Issue on Features and Geometric Reasoning, Vol. 14, No. 2, 173-188, 1990. Abstract
Conditional Modeling
Zaher, J.; Ph.D. Thesis, Carnegie Mellon University, Pittsburgh, PA, 1995. BibCite PDF File
Developing Reusable Libraries in the ASCEND environment
Zaher, J.; Carnegie Mellon University, EDRC Technical Report 06-108-91, 1991. Abstract