ZHANG Hongta, GAO Jianling ^*, BAI Yuxing, ZHANG Yueqiang, WANG XiChun

The International Conference on Computational & Experimental Engineering and Sciences, Vol.17, No.3, pp. 99-100, 2011, DOI:10.3970/icces.2011.017.099

Abstract This paper analyzes transient temperature field with plane elements of finite element method of lines. Finite element method of lines treats transient temperature field line, using a semi-discrete in space, in one direction discrete numerically and another direction with analytical type. Using backward time difference, finally ordinary differential equations are obtained, and solved by ordinary differential equations solver COLSYS. Verification indicates that plane element of Finite Element Method of Lines can obtain transient temperature field with higher precision and faster processing speed. More >

Syh-Tsang Jenq, Yuen-Sheng Chiu

The International Conference on Computational & Experimental Engineering and Sciences, Vol.16, No.1, pp. 15-16, 2011, DOI:10.3970/icces.2011.016.015

Abstract Current work studies the transient hydroplaning behaviors of 200 kPa inflated pneumatic radial tires with V-shaped grooved tread patterns and then rolls over the water film with a thickness of 10 mm. we also perform complete numerical simulations in order to know how to elevate the hydroplaning capability. Tires were numerically loaded with a quarter car weight of 4 kN on initial step, and then subsequently accelerated from rest rolling over a water film with a thickness of 10 mm on top of a flat roadway. Tire structure is composed of outer rubber tread and inner fiber reinforcing composite layers.… More >

Lin Chen^1,*, Atsuki Komiya², Shigenao Maruyama^2,3

The International Conference on Computational & Experimental Engineering and Sciences, Vol.22, No.3, pp. 169-169, 2019, DOI:10.32604/icces.2019.05885

Abstract The heat transfer of near-critical fluids has become a key topic as the transcritical/supercritical energy systems are more and more proposed in recent years. When fluids go across the critical point or the equilibrium curve in the phase boundaries in the critical region, dramatic changes happen in fluid properties. For example, the thermal diffusivity goes to zero and the compressibility diverges. Such effects introduce additional complexibility in thermal systems with supercritical fluids (heat exchanger, turbines, reactors, etc.). For the efficiency analysis in heat transfer and stability in small-scale, the current numerical study is proposed. In this study, non-equilibrium cooling process… More >

Cong Liu, Guojun Yu*, Sheng Jia

The International Conference on Computational & Experimental Engineering and Sciences, Vol.22, No.3, pp. 156-156, 2019, DOI:10.32604/icces.2019.05101

Abstract Geothermal energy, clean and renewable, has attracted more and more attention in this century challenged by energy crisis and climate change. Ground source heat pump (GSHP) technology, which has been widely applied in the field of heating, ventilating and air conditioning (HVAC), is one of the most important ways to utilize geothermal energy. The buried pipe heat exchanger system is the core of GSHP, sufficient investigations should be conducted prior to its design to clarify the relevant thermal and hydraulic characteristics. Numerical calculation is much more practical than experimental research for the buried pipe heat exchanger systems due to the… More >

Eduardo Divo¹, Alain Kassab², Greisa Mendez³, I. RicardoArgueta-Morales⁴, William M. DeCampli^4,5

The International Conference on Computational & Experimental Engineering and Sciences, Vol.15, No.4, pp. 125-128, 2010, DOI:10.3970/icces.2010.015.125

Abstract In order to properly account for the unsteady nature of the flow field generated by the cardiac ejection in an Aortic Arch with an implanted Left Ventricular Assist Device (LVAD) Computational Fluid Dynamics (CFD) model, a closed-loop external vascular model is necessary. Such external model is coupled to the CFD model to dictate the flow field boundary conditions at the outlets of the CFD model and thus, control the flow splits through the different branches that stem out of the aortic arch throughout the cardiac cycle. More >

F. Cosmi¹

The International Conference on Computational & Experimental Engineering and Sciences, Vol.3, No.4, pp. 195-210, 2007, DOI:10.3970/icces.2007.003.195

Abstract The Cell Method is a recently developed numerical method that is giving interesting results in several fields of physics and engineering. In this paper, first a brief description of the method for elasticity problems is given and successively the elastodynamics formulation is derived. The method leads to an explicit solution system, combining the advantages of a diagonal mass matrix and the possibility of using unstructured meshes. The convergence rate has been tested in reference to the problem of free harmonic vibrations in a system with one degree of freedom, showing that the Cell Method has the same convergence rate of… More >

S.T. Jenq^1,2, Y.S. Chiu², Y.C. Ting²

The International Conference on Computational & Experimental Engineering and Sciences, Vol.9, No.4, pp. 263-264, 2009, DOI:10.3970/icces.2009.009.263

Abstract The purpose of this work is to study the transient hydroplaning behavior of inflated pneumatic 195/65R15 radial tires with various tread patterns and the tires were loaded with a quarter car weight. The tires were analyzed numerically to roll over a water film with a thickness of 5 mm, 10 mm and 15 mm on top of a flat-road pavement. Current tire structure contains the outer rubber tread and the inner advanced reinforcing composite layers. The Mooney-Rivlin constitutive law and the classical laminated theory (CLT) were used to describe the behavior of the large-deformable rubber tread material and reinforcing composite… More >

Zhen Chen^1,2

The International Conference on Computational & Experimental Engineering and Sciences, Vol.21, No.3, pp. 48-48, 2019, DOI:10.32604/icces.2019.06164

Abstract Multi-phase transient interactions play an important role in modern engineering applications such as additive manufacturing, drilling, hydrofracturing, impact and penetration. It has been shown that the evolution of interfacial failure between different material phases has the nonlocal feature [1], namely, the stress state at a material point depends on the strain distribution around that point in a representative volume of certain size. Hence, local constitutive models cannot predict the real physics associated with interfacial failure evolution. On the other hand, the mesh-based methods cannot describe the real physics involved in the interfacial problems, due to the use of master/slave nodes… More >

Zhenguo Tu¹, Fuxing Miao¹, Guojun Sun¹

The International Conference on Computational & Experimental Engineering and Sciences, Vol.2, No.4, pp. 125-130, 2007, DOI:10.3970/icces.2007.002.125

Abstract In this paper the reverberation ray matrix method, which was developed recently by Professor Pao and his colleagues for analyzing dynamic response of elastic trusses or frames, is extended and used to solve the transient response of frames made of viscoelastic bars. Originally for the solution of elastic structure the matrix (I-R)-1 is expanded into Neumann series to circumvent the difficulty of singularity in reversing the matrix in frequency domain. However, it is not necessary to expand this matrix since there is no singularity problem for viscoelastic frame due to viscous damping. The accuracy and effectiveness of applying reverberation ray… More >

Wajdi Zouari^1,*, Mustapha Assarar¹, Abderrazak Chilali², Rezak Ayad¹, Hocine Kebir³

Journal of Renewable Materials, Vol.7, No.9, pp. 839-853, 2019, DOI:10.32604/jrm.2019.06773

Abstract This contribution deals with the development of a three-node triangular plane finite element to analyze the transient hygroscopic behavior of 2/2 twill flax fabric-reinforced epoxy composite. Several plates of this material were fabricated using the vacuum infusion process and composite specimens were then cut and aged in tap water at room temperature until saturation. To simplify, a plane modelling of water diffusion in the aged specimens is adopted and Fick’s model is used to describe the water diffusion kinetics. To highlight the heterogeneity of the flax-epoxy samples, the twill flax fabrics waviness is modelled with a sinusoidal undulation. In particular,… More >