## How to-- use STEP geometry for engineering analysis |

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### Contents

INTRODUCTION | 1 |

STEP APPLICATION PROTOCOLS AND CONFORMANCE CLASSES17 | 17 |

A RESOURCE PARTS OF STEP | 33 |

2 other sections not shown

### Common terms and phrases

abstract test suite advanced B-rep application modules application object Application Protocols associated B-rep AIC B-spline curve ballot boundary representation CAD systems closed shell defining common conformance classes constraints Constructive solid geometry contains CSG models CSG primitives curve or surface curves and surfaces cylindrical surface data exchange data model different APs dimensional document Draft International Standard face face geometry finite element analysis geometric AICs geometric and topological geometric entities geometric model representation Geometrically Bounded Surface IDEF1X identify implementations information model integration interoperability language binding line from vertex loop edge model with topology modular NAFEMS parameter space post-processor product data product property rational B-spline re-used requirements Resource Model scope SDAI semantic shape models shape representation shapes represented solid model specification Stage STEP interface subtype surface entities surface model surface with topology topological bounds types of geometric UoFs VDA-FS vertex V2 vertices wireframe and surface wireframe models