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| ELASTOPLASTIC CONTACT BEHAVIOR AND SHAPE OPTIMIZATION OF DRILLPIPE THREAD | |
| 作者姓名： | Li Runfang Lin Tengjiao Du Xuesong State Key Lab.of Mechanical Transmission Chongqing UniversityShi Taihe Southwest Oil Institute |
| 作者单位： | Li Runfang Lin Tengjiao Du Xuesong State Key Lab.of Mechanical Transmission，Chongqing UniversityShi Taihe Southwest Oil Institute |
| 基金项目： | OpenFoundationfromtheState KeyLab .ofOil gasGeologyandDevelopmentEngineering! (No .PLN9740 ) |
| 摘 要： | ＮＯＴＡＴＩＯＮＳＤ———ＥｌａｓｔｉｃｉｔｙｍａｔｒｉｘＱ———Ｐｌａｓｔｉｃｐｏｔｅｎｔｉａｌｙ———ＹｉｅｌｄｆｕｎｃｔｉｏｎＫｔ———ＴａｎｇｅｎｔｓｔｉｆｆｎｅｓｓｍａｔｒｉｘＫ0 ———ＩｎｉｔｉａｌｓｔｉｆｆｎｅｓｓｍａｔｒｉｘΨ(ｕ)———ＮｏｎｌｉｎｅａｒｄｉｓｃｒｅｔｅｅｑｕａｔｉｏｎｏｐｅｒａｔｏｒＤｐ———ＰｌａｓｔｉｃｉｔｙｍａｔｒｉｘＤｅｐ———ＥｌａｓｔｏｐｌａｓｔｉｃｍａｔｒｉｘＡ———Ｍａｔｅｒｉａｌｐａｒａｍｅｔｅｒｋ———Ｈａｒｄｅｎｉｎｇｐａｒａｍｅｔｅｒλ—… |
ELASTOPLASTIC CONTACT BEHAVIOR AND SHAPE OPTIMIZATION OF DRILLPIPE THREAD |
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| Li Runfang Lin Tengjiao Du Xuesong State Key Lab.of Mechanical Transmission,Chongqing UniversityShi Taihe Southwest Oil Institute.ELASTOPLASTIC CONTACT BEHAVIOR AND SHAPE OPTIMIZATION OF DRILLPIPE THREAD[J].Chinese Journal of Mechanical Engineering,2001(1). | |
| Authors: | Li Runfang Lin Tengjiao Du Xuesong State Key Labof Mechanical Transmission Chongqing UniversityShi Taihe Southwest Oil Institute |
| Abstract: | The contact condition,stress strain field and shape optimization of thread profile for drillpipe connector are investigated by semi analytical finite element method for contact problem in order to enhance the load capacity and reduce the fatigue accident of drillpipe thread compounds. |
| Keywords: | Drillpipe Thread Elastoplastic Analysis Contact Shape optimization |
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