The out-of-plane deformation is a serious problem in thin-plate welded joint,and it is difficult to reduce or control the distortion during welding process. External restraint is regarded as an effective method to mit...The out-of-plane deformation is a serious problem in thin-plate welded joint,and it is difficult to reduce or control the distortion during welding process. External restraint is regarded as an effective method to mitigate the distortion,and it is widely used in the actual manufacturing process. In order to investigate the influence of external restraint on welding deformation in thin plate joints,a thermo-elastic-plastic finite element method based on ABAQUS software was developed to calculate welding-induced deformation. Meanwhile,welding deformation in the thin-plate joints was measured by experiments.Through comparing the numerical results with the measured data,the effectiveness of the developed computational approach was verified. Based on the simulated and experimental results,the generation mechanism of the out-of-plane deformation in thin plate bead-on joint was discussed,and the influence of external restraint on the final welding deformation was clarified.展开更多
This paper firstly introduced the two stage supply chain consisting of single agricultural product producer and fund restraint retailer.Then,it analyzed the influence of bank interest rate on order quantity,wholesale ...This paper firstly introduced the two stage supply chain consisting of single agricultural product producer and fund restraint retailer.Then,it analyzed the influence of bank interest rate on order quantity,wholesale price and expected profit of retailer and producer on the condition of retailer taking external loan strategy.Studies have shown that when the bank interest rate is in(0,0.9),the order quantity of agricultural products is a decreasing function of bank interest rate; when the bank interest rate is in(0,1),wholesale price of agricultural products decreases with increase in the bank interest rate; when the bank interest rate is in(0,0.6),the expected profit of retailer is a decreasing function of bank interest rate; when the bank interest rate is in(0,1),the expected profit of producer decreases with increase in the bank interest rate.Finally,through simulation calculation examples,it verified suitability of the conclusion,in the hope of providing reference and application value for management of supply chain.展开更多
基金supported by Chongqing Municipal Science and Technology funded projects(Projected No.CSTC 2010BB4060)
文摘The out-of-plane deformation is a serious problem in thin-plate welded joint,and it is difficult to reduce or control the distortion during welding process. External restraint is regarded as an effective method to mitigate the distortion,and it is widely used in the actual manufacturing process. In order to investigate the influence of external restraint on welding deformation in thin plate joints,a thermo-elastic-plastic finite element method based on ABAQUS software was developed to calculate welding-induced deformation. Meanwhile,welding deformation in the thin-plate joints was measured by experiments.Through comparing the numerical results with the measured data,the effectiveness of the developed computational approach was verified. Based on the simulated and experimental results,the generation mechanism of the out-of-plane deformation in thin plate bead-on joint was discussed,and the influence of external restraint on the final welding deformation was clarified.
基金Supported by Key Project of National Natural Science Foundation(70932005)Project of National Natural Science Foundation(71102055,71372140)Young Scholar Project of Sichuan Provincial Education Department(13ZB0035,14ZA0304)
文摘This paper firstly introduced the two stage supply chain consisting of single agricultural product producer and fund restraint retailer.Then,it analyzed the influence of bank interest rate on order quantity,wholesale price and expected profit of retailer and producer on the condition of retailer taking external loan strategy.Studies have shown that when the bank interest rate is in(0,0.9),the order quantity of agricultural products is a decreasing function of bank interest rate; when the bank interest rate is in(0,1),wholesale price of agricultural products decreases with increase in the bank interest rate; when the bank interest rate is in(0,0.6),the expected profit of retailer is a decreasing function of bank interest rate; when the bank interest rate is in(0,1),the expected profit of producer decreases with increase in the bank interest rate.Finally,through simulation calculation examples,it verified suitability of the conclusion,in the hope of providing reference and application value for management of supply chain.
