An Introduction to Simulation Models and the Modelling Process -- Concepts of Simulation Model Testing, Verification and Validation -- Measures of Quality for Model Validation -- Sensitivity Analysis for Model Evaluation -- Experimental Data for Model Validation -- Methods of Model Verification -- Methods for the Invalidation/Validation of Simulation Models -- Management Issues within Simulation Model Development and Testing -- Case Study: Development and Testing of a Simulation Model of Two Interconnected Vessels -- Case Study: Model Validation and Experiment Design for Helicopter Simulation Model Development and Applications -- Case Study: Compartmental Models of the Gas-Exchange Processes of the Human Lungs -- Case Study: Modelling of Elements of the Neuromuscular -- Systems Involved in the Regulation of Posture and Control of Movement -- Further Discussion.