Autodyn理论 JETTING.pdf

AUTODYN™ Interactive Non-Linear Dynamic Analysis Software Jetting Tutorial Revision 4.3 AUTODYN is a trademark of Century Dynamics, Inc. © Copyright Century Dynamics Inc., 2003, All Rights Reserved Century Dynamics, Incorporated 1001 Galaxy Way, Suite 325 Concord, CA 94520, USA Tel: (925) 771-2300 / FAX: (925) 771-2309 customer@ / Century Dynamics Limited Dynamics House Hurst Road, Horsham West Sussex, RH12 2DT, England Tel: +44(0)1403 270066 Fax: +44(0)1403 270099 all@centdyn.demon.co.uk / Century Dynamics Houston 11200 Richmond Avenue Suite 300 Houston, TX77082, USA Tel: (832) 295-4445 Fax: (281) 496-1225 houston@ / Table of Contents CHAPTER 1. INTRODUCTION 1 CHAPTER 2. JETTING THEORY 3 §1. Standard Jetting Analysis3 §2. Optional Jetting Analysis6 CHAPTER 3. SETTING UP A JETTING CALCULATION 8 §1. Review of problem setup8 §2. Review of material models14 §3. Jetting definition 17 §4. Setting the detonation point 22 CHAPTER 4. POST PROCESSING DATA FROM A JETTING CALCULATION 25 CHAPTER 5. COMPARISONS WITH EXPERIMENT AND OTHER METHODS 34 CHAPTER 6. REFERENCES 36 Chapter 1. Introduction Chapter 1. Introduction Shaped charges are used in a variety of commercial and defense related applications. The phenomena associated with the high explosive detonation and extreme deformations of the shaped charge casing and liner poses a challenging task for numerical analysis. AUTODYN™ provides the analyst a nu