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| 1 | 热应力作用下液化天然气储罐球形罐顶应力分布及裂缝形态显示文摘对于大型液化天然气(LNG)储罐,罐顶因内、外表面温差产生的巨大热应力对罐顶裂缝开展及应力分布有非常重要的影响。传统的计算球壳结构热应力的方法非常复杂,为获得较简单的公式以便指导实际工程的设计及分析,提出了一种应力叠加方法近似计算罐顶热应力分布。通过与数值模拟结果的对比,发现此近似计算方法与数值计算的结果非常接近,可以应用于实际工程。分析结果表明:罐顶与挥发的低温天然气接触,温差热应力过大时,将使罐顶产生沿环向均匀分布的经络向裂缝;裂缝首先在罐顶边缘部位的内表面产生,并迅速向罐顶中心及外表面开展,最终贯穿罐顶。 | 朱兴吉 程旭东 彭文山 Goangseup Zi | 2014 | 石油学报2014，35，5： | 4 |
| 2 | Improvement of the biaxiaI flexure test method for concrete显示文摘 | Jihwan Kim Dong Joo Kim Goangseup Zi | 2013 | Cement and Concrete Composites2013，37，： | 1 |
| 3 | Fatigue behavior of the foam-filled GFRP bridge deck显示文摘 | MOON Do Young ZI Goangseup LEE Do Hyung | 2009 | Composites:Part B 40 (2009):141-1482009，，： | 1 |
| 4 | The extended finite element method for dynamic fractures 显示文摘 | ZI Goangseup CHEN Hao XU Jingxiao | 2005 | Shock and Vibration2005，12，1： | 1 |
| 5 | A geometrically non-linear three-dimensional cohesive crack method for reinforced concrete structures显示文摘 | Timon R Goangseup Z Stéphane B Hung N X | | 0，，16： | 1 |
| 6 | A three-dimensional meshfree method for continuous multiple-crack initiation, propagation and junction in statics and dynamics显示文摘 | Timon Rabczuk Stéphane Bordas Goangseup Zi | 2007 | Computational Mechanics2007，，3： | 1 |
| 7 | New crack-tip elementsfor XFEM and applications to cohesive cracks显示文摘 | Goangseup Zi Ted Belytschko | 2003 | International Journal for Numerical Methods inEngineering2003，57，22： | 1 |
| 8 | Size Effect and Asymptotic Matching Analysis of Fracture of Closed-Cell Polymeric Foam显示文摘 | Zdenek P Ba2ant Yong Zhou Goangseup Zi | 2003 | International Journal of Solids and Structures2003，40，1： | 1 |
| 9 | Influence of fiber reinforcement on strength and toughness of all-lightweight con- crete显示文摘 | JJSUN C GOANGSEUP Z SHINICHI H | 2014 | Construction and building materials2014，69，： | 1 |
| 10 | New crack-tip elements for XFEM and applications to cohesive cracks显示文摘 | Goangseup Zi Ted Belytschko | 2003 | International Journal For Numerical Methods In Engineering2003，57，15： | 1 |
| 11 | Extended meshfree methods without branch enrichment for cohesive cracks显示文摘 | Goangseup Zi Timon Rabczuk Wolfgang Wall | 2007 | Computational Mechanics2007，，2： | 1 |
| 12 | A Systematic Molecular Dynamics Investigation on the Graphene Polymer Nanocomposites for Bulletproofing显示文摘In modern physics and fabrication technology,simulation of projectile and target collision is vital to improve design in some critical applications,like;bulletproofing and medical applications.Graphene,the most prominent member of two dimensional materials presents ultrahigh tensile strength and stiffness.Moreover,polydimethylsiloxane(PDMS)is one of the most important elastomeric materials with a high extensive application area,ranging from medical,fabric,and interface material.In this work we considered graphene/PDMS structures to explore the bullet resistance of resulting nanocomposites.To this aim,extensive molecular dynamic simulations were carried out to identify the penetration of bullet through the graphene and PDMS composite structures.In this paper,we simulate the impact of a diamond bullet with different velocities on the composites made of single-or bi-layer graphene placed in different positions of PDMS polymers.The underlying mechanism concerning how the PDMS improves the resistance of graphene against impact loading is discussed.We discuss that with the same content of graphene,placing the graphene in between the PDMS result in enhanced bullet resistance.This work comparatively examines the enhancement in design of polymer nanocomposites to improve their bulletproofing response and the obtained results may serve as valuable guide for future experimental and theoretical studies. | Hamidreza Noori Zi Goangseup Bohayra Mortazavi Alessandro Di Pierro Emad Jomehzadeh Xiaoying Zhuang Kim Sang-Hyun Timon Rabczuk | 2020 | Computers, Materials & Continua2020，，12： | 0 |
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