Simulation Speed Analysis and Improvements of Modelica Models for Building Energy Simulation
Conference
·
OSTI ID:1249560
This paper presents an approach for speeding up Modelica models. Insight is provided into how Modelica models are solved and what determines the tool’s computational speed. Aspects such as algebraic loops, code efficiency and integrator choice are discussed. This is illustrated using simple building simulation examples and Dymola. The generality of the work is in some cases verified using OpenModelica. Using this approach, a medium sized office building including building envelope, heating ventilation and air conditioning (HVAC) systems and control strategy can be simulated at a speed five hundred times faster than real time.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- Environmental Energy Technologies Division
- OSTI ID:
- 1249560
- Report Number(s):
- LBNL-1002904; ir:1002904
- Country of Publication:
- United States
- Language:
- English
Similar Records
Coupling fast fluid dynamics and multizone airflow models in Modelica Buildings library to simulate the dynamics of HVAC systems
Coupling fast fluid dynamics and multizone airflow models in Modelica Buildings library to simulate the dynamics of HVAC systems
Using SPARK as a Solver for Modelica
Journal Article
·
Thu Jun 08 00:00:00 EDT 2017
· Building and Environment
·
OSTI ID:1249560
+1 more
Coupling fast fluid dynamics and multizone airflow models in Modelica Buildings library to simulate the dynamics of HVAC systems
Journal Article
·
Thu Jun 08 00:00:00 EDT 2017
· Building and Environment
·
OSTI ID:1249560
+1 more
Using SPARK as a Solver for Modelica
Conference
·
Mon Jun 30 00:00:00 EDT 2008
·
OSTI ID:1249560
+2 more