%0 Journal Article %K Hvac simulation %K Building energy systems %K Computational efficiency %K Graph theory applications %K Hvacsim+ models %K Spark models %A Edward F Sowell %A Philip Haves %B Energy and Buildings %D 2001 %G eng %P 309-317 %R 10.1016/S0378-7788(00)00113-4 %T Efficient Solution Strategies for Building Energy System Simulation %V 33 %2 LBNL-45936 %8 04/2001