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Optimization design on declining-well screw pump based on mixed programming with VC++ 6.0 and Fortran

ZHANG Wenzhang,LONG Lianchun(College of Mechanical Eng.& Applied Electronics Tech.,Beijing Univ.of Tech.,Beijing 100124,China)  
As to the low efficiency of large scale numerical calculation of a declining-well screw pump optimization software,the mixed programming method with VC++ 6.0 and Fortran are used to develop the optimization design software.The interface is designed by VC++ 6.0,the main calculation program is developed by Fortran and VC++ 6.0 is used to call the dynamic link library built by Fortran.In the optimization design of declining well screw-pump,the optimization design program is developed by Fortran,and the nonlinear large-deformation finite element,static stress and fatigue are analyzed by ANSYS.The examples show that the software has higher calculation efficiency,enhance the human-computer interaction and the operability.At the same time,the feasibility,practicability and validity of the mixed programming method are validated.
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