Abstract
This paper presents an improved mesh storage tank structure obtained using 3D metal printing. The storage tank structure is optimized using a multi-objective uniform design method. Each parameter influencing the storage tank is considered as the optimization factor, and the compression stress (
 
 
 σ
 
 
 ), volume utilization ratio (
 
 
 v
 
 
 ), and weight (
 
 
 m
 
 
 , are considered as the optimization objectives. Regression equations were established between the optimization factors and targets, the orders of the six factors affecting three target values are analyzed, and the relative deviations between the regression equation and calculation results for 
 
 
 σ
 
 
 , 
 
 
 v
 
 
 , and 
 
 
 m
 
 
 were 9.72%, 4.15%, and 2.94%, respectively. The optimization results showed that the regression equations can predict the structure performance of the improved storage tank, and the values of the influence factors obtained through the optimization are effective. In addition, the compression stress was improved by 24.98%, the volume utilization ratio was increased by 26.86%, and the weight was reduced by 26.83%. The optimized storage tank was developed through 3D metal printing, and the compressive stress was improved by 58.71%, the volume utilization ratio was increased by 24.52%, and the weight was reduced by 11.67%.
Highlights
Storage tanks are widely employed in civil, marine, and automotive fields, etc., to store water, oil, fuel, chemicals, and other fluids
The optimized storage tank was developed through 3D metal printing, and the compressive stress was improved by 58.71%, the volume utilization ratio was increased by 24.52%, and the weight was reduced by 11.67%
Regression equations are established between the optimization factors and targets, the orders of the six factors affecting the three target values are analyzed, and the validity of the regression equation is verified
Summary
Storage tanks are widely employed in civil, marine, and automotive fields, etc., to store water, oil, fuel, chemicals, and other fluids. In order to withstand the internal high pressures, a storage tank is generally designed in a cylindrical [1,2,3,4,5,6,7], oval [8,9], or spherical [10] shape. This structure and shape affects the performance of the storage tank. The design, optimization, and analysis of storage tanks have received considerable attention from many researchers. Azzuni and Guzey [12]
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