ANSYS/LS-DYNA User's Guide Table of Contents 1 Introduction 1.1 Overview of Steps in an Explicit Dynamic Analysis 1.2 Commands Used in an Explicit Dynamic Analysis 1.3 A Guide to Using this Document 1.4 Where to Find Explicit Dynamics Example Problems 1.5 Additional Information 2 Elements 2.1 Solid and Shell Elements 2.1.1 SOLID164 2.1.2 SHELL163 2.1.3 General Shell Formulations 2.1.4 Membrane Element Formulation 2.1.5 Triangular Shell Formulations 2.1.6 PLANE162 2.2 Beam and Link Elements 2.2.1 BEAM161 2.2.2 LINK160 2.2.3 LINK167 2.3 Discrete Elements 2.3.1 COMBI165 Spring-Dampe Spring- Damperr 2.3.2 MASS166 2.4 General Element Capabilities 3 Modeling 3.1 Define Element Types and Real Constants 3.2 Specify Material Properties 3.3 Define the Model Geometry 3.4 Mesh the Model 3.5 Define Contact Surfaces 3.6 General Modeling Guidelines 3.7 The Definition of PART 3.7.1 Part Assemblies 3.8 Adaptive Meshing 4 Loading 4.1 General Loading Options 4.1.1 Components 4.1.2 Array Parameters 4.1.3 Applying Loads 4.1.4 Data Curves 4.1.5 Defining Loads in a Local Coordinate System 4.1.6 Specifying Birth and Death Times 4.2 Constraints and Initial Conditions 4.2.1 Constraints 4.2.2 Welds
