scholarly journals Load path optimization in tube hydroforming

2015 ◽  
pp. 1-8
Author(s):  
S. Mojarad ◽  
H. Champliaud ◽  
J. Gholipour ◽  
J. Savoie ◽  
P. Wanjara
Keyword(s):  
Tube Hydroforming ◽  
Path Optimization ◽  
Load Path

Effect of the Load Path on Formability of T-Shaped Tube Hydroforming

2011 ◽  
Vol 101-102 ◽  
pp. 962-965 ◽  
Author(s):  
Wen Liu ◽  
Ji Qiang Li ◽  
Bin Bin Chen ◽  
Zhi Xin Jia
Keyword(s):  
Tube Hydroforming ◽  
Fem Simulation ◽  
Evaluation Index ◽  
Load Path ◽  
Line Load ◽  
Evaluation Indexes ◽  
Shaped Tube ◽  
Simulation Results

Based on the analysis of now available evaluation indexes to estimate the formability of T-shaped tube hydroforming, an aggregative indicator is proposed. The effect of load path on the formability of T-shaped tube is discussed by FEM simulation, and validity of the evaluation index and simulations are proved by experiment. Results show that with the broken line load path of 0-35-35-60, the value of aggregative indicator is the greatest and the formability is the best. The optional parameters are testified by experiment and the results are in agreement with the FEM simulation results.

Load Path Optimization and U* Structural Analysis for Passenger Car Compartments under Frontal Collision

2003 ◽  
Author(s):  
Toshiaki Sakurai ◽  
Junichi Tanaka ◽  
Akinori Otani ◽  
Changjun Zhang ◽  
Kunihiro Takahashi
Keyword(s):  
Structural Analysis ◽  
Path Optimization ◽  
Load Path ◽  
Passenger Car ◽  
Frontal Collision

Investigation of Load Path Effect on Thickness Distribution and Product Geometry in the Bulge Hydroforming Process

2011 ◽  
Vol 110-116 ◽  
pp. 1477-1482 ◽  
Author(s):  
Majid Elyasi ◽  
Hassan Khanlari ◽  
Mohammad Bakhshi-Jooybari
Keyword(s):  
Finite Element ◽  
Stainless Steel ◽  
Finite Element Simulation ◽  
Experimental Approach ◽  
Thickness Distribution ◽  
Tube Hydroforming ◽  
Low Carbon ◽  
Load Path ◽  
Element Simulation ◽  
Hydroforming Process

In this paper, the effect of load path on thickness distribution and product geometry in the tube hydroforming process is studied by finite element simulation and experimental approach. The pressure path was obtained by using finite element simulation and its validation with experiments. In simulations and experiments, low carbon stainless steel (SS316L) seamless tubes were used. The obtained results indicated that if pressure reaches to maximum faster, bulge value and thinning of the part will be more and wrinkling value will be less.

Study on Influence of the Load Path on Formability of Variable Cross-Section Y-Shaped Tube Hydroforming

2013 ◽  
Vol 347-350 ◽  
pp. 1153-1157
Author(s):  
Hai Ying Zhang ◽  
Ling Bai ◽  
Guo Jun Zhang ◽  
Rui Mao ◽  
Wen Liu
Keyword(s):  
Cross Section ◽  
Tube Hydroforming ◽  
Fem Simulation ◽  
Variable Cross Section ◽  
Variable Cross ◽  
Load Path ◽  
Line Load ◽  
Evaluation Indexes ◽  
Shaped Tube ◽  
Simulation Results

Based on the analysis of now available evaluation indexes to estimate the formability of Variable cross-section Y-shaped tube hydroforming, an aggregative indicator is proposed. The effect of load path on the formability of Variable cross-section Y-shaped tube is discussed by FEM simulation, and validity of the evaluation index and simulations are proved by experiment. Results show that with the broken line load path of 0-30-30-40, the value of aggregative indicator is the greatest and the formability is the best. The optional parameters are testified by experiment and the results are in agreement with the FEM simulation results.

FEM Simulation of Different Loading Pressures on T-Tube Hydroforming

2012 ◽  
Vol 472-475 ◽  
pp. 670-673
Author(s):  
Ji Ping Chen ◽  
Jian Qing Qian ◽  
Sheng Zhi Li
Keyword(s):  
Constant Pressure ◽  
Thickness Distribution ◽  
Tube Hydroforming ◽  
Fem Simulation ◽  
Load Path ◽  
T Tube ◽  
Pressure Load ◽  
Load Paths ◽  
Hydroforming Process ◽  
Internal Pressures

The finite element simulation of T-tube hydroforming process is conducted with the FEM software Pam-Stamp 2G 2005. The results of numerical simulation and experiment are compared and analyzed. The tube hydroforming simulations under various internal pressures of constant pressure load path are also conducted. The simulation and experimental results of T-tube hydroforming are compared. The results show that the tube wall thickness distribution is more uniform and the hydroforming effect is more ideal in T-tube hydroforming process with constant pressure load path. The constant pressure load path of T-tube hydroforming is relatively easy to implement in the practical production process. Of the four constant pressure load paths of T-tube hydroforming, the simulation result under constant pressure 150MPa is most ideal.

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