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Development of high performance casting analysis software by coupled parallel computation
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作者 sang hyun cho Jeong Kil choI 《China Foundry》 SCIE CAS 2007年第3期215-219,共5页
Up to now,so much casting analysis software has been continuing to develop the new access way to real casting processes. Those include the melt flow analysis,heat transfer analysis for solidification calculation,mecha... Up to now,so much casting analysis software has been continuing to develop the new access way to real casting processes. Those include the melt flow analysis,heat transfer analysis for solidification calculation,mechanical property predictions and microstructure predictions. These trials were successful to obtain the ideal results comparing with real situations,so that CAE technologies became inevitable to design or develop new casting processes. But for manufacturing fields,CAE technologies are not so frequently being used because of their difficulties in using the software or insufficient computing performances. To introduce CAE technologies to manufacturing field,the high performance analysis is essential to shorten the gap between product designing time and prototyping time. The software code optimization can be helpful,but it is not enough,because the codes developed by software experts are already optimized enough. As an alternative proposal for high performance computations,the parallel computation technologies are eagerly being applied to CAE technologies to make the analysis time shorter. In this research,SMP (Shared Memory Processing) and MPI (Message Passing Interface) (1) methods for parallelization were applied to commercial software "Z-Cast" to calculate the casting processes. In the code parallelizing processes,the network stabilization,core optimization were also carried out under Microsoft Windows platform and their performances and results were compared with those of normal linear analysis codes. 展开更多
关键词 铸造分析 平行计算 性能改进 铸造过程
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Red ginseng for atopic dermatitis
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作者 sang hyun cho 《World Journal of Dermatology》 2014年第3期58-63,共6页
Red ginseng is known for its significant biological activities which include anti-inflammation. Red ginseng may be used for the management and prevention of atopic dermatitis based on its effect on an atopic dermatiti... Red ginseng is known for its significant biological activities which include anti-inflammation. Red ginseng may be used for the management and prevention of atopic dermatitis based on its effect on an atopic dermatitis animal model. More therapeutic efficacies other than atopic dermatitis are also reviewed briefly. 展开更多
关键词 RED GINSENG ATOPIC DERMATITIS ALLERGY DERMATITIS INFLAMMATION
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Lichen Planus Pigmentosus Inversus:Two Case Reports
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作者 Se Hoon Lee Minah cho +4 位作者 Yu Jin Han Yu Ri Woo sang hyun cho Jeong Deuk Lee Hei Sung Kim 《International Journal of Dermatology and Venereology》 2022年第2期116-118,共3页
Introduction:Lichen planus pigmentosus inversus(LPPI)is a rare a rare variant of lichen planus characterized by hyperpigmented patches with predominating localization in intertriginous areas.Due to its rarity,only a f... Introduction:Lichen planus pigmentosus inversus(LPPI)is a rare a rare variant of lichen planus characterized by hyperpigmented patches with predominating localization in intertriginous areas.Due to its rarity,only a few LPPI cases are reported.We herein describe two rare cases of LPPI.Case presentation:The two patients were all with a brownish macular lesion on the intertriginous area.A diagnosis of LPPI was made based on their clinical manifestations,dermoscopic features,and histopathologic features,which revealed an interface change,lichenoid infiltration,and pigmentary incontinence.Discussion:LPPI is pruritic or asymptomatic,hyperpigmented macules and patches on the flexural folds.The axillae and flanks were the most commonly affected areas,followed by the groin and genitalia.About half of the female patients had inframammary fold lesions.LPPI shows higher female predominance than Lichen planus pigmentosus.There were fewer cases that lasted more than 3 years compared to LPP.Conclusion:LPPI is a rare variant of lichen planus,with a locational characteristic and female predominance.Therefore,in the case of a pigmented disease occurring in the flexural folds,it should be placed in the differential diagnosis. 展开更多
关键词 lichen planus pigmentosus lichen planus pigmentosus inversus
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