7.1 Introduction and Learning Objectives7.2 Background—A Survey of Relevant Biomechanics and Open-Source Software7.3 Theory—The Impact of Element Quality and Size on Simulation7.4 Modeling Paradigms—Methods for Mesh GenerationSummaryKey TermsMechanicsMedical SimulationMeshingUnstructured Surface MeshingUnstructured Tetrahedral MeshingAcknowledgmentsReferences