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Chapter and Conference Paper
Digital Design and Improvement of PWR Rod Position Measurement System
Control rods can control the progress of reactor reactions in pressurized water reactor (PWR) nuclear power plants, Therefore, the rod position test system for monitoring the real-time position of control rods...
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Article
Seismic performance of precast concrete frames with debonded reinforcement
This paper utilizes experimental and numerical studies to investigate the seismic behavior of precast concrete frames. The system is composed of monolithic columns and composite precast concrete beams with deb...
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Article
Prediction of fatigue crack growth retardation using a cyclic cohesive zone model
Cohesive zone modeling of fatigue crack growth retardation in aerospace titanium alloy Ti–6Al–4V subjected to a single overload during constant amplitude is presented in this work. The cyclic softening behavio...
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Article
Element-based stiffness reduction coefficient of steel–concrete composite beams with interface slip
The interface slip between steel beam and concrete slab increases the maximum deflection of steel–concrete composite frame beams. In this paper, Newmark’s model (NM) for steel–concrete composite beams is used ...
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Article
A nonlocal treatment technique based on the background cell concept for micro-mechanical damage modeling
In the present paper, a new nonlocal treatment for micro-mechanical damage modeling is introduced based on the background cell concept. The nonlocal damage variable in the modified GTN damage model is defined ...
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Article
Continuum damage mechanics for sintered powder metals
Sintered metals are characterized by the high porosity (⩾ 8%) and voids/micro-cracks in microns. Inelastic behavior of the materials is coupled with micro-crack propagation and coalescence of open voids. In th...
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Article
FEM mesh-dependence in cutting process simulations
The process simulations based on FEM techniques have been investigated for many years, some fundamental problems are still unsolved, e.g. the element size effect on the computational results. In present contri...
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Article
Computational assessment of cracks under strain-gradient plasticity
With introducing the strain gradient into plasticity theory, the crack field singularity at the crack tip changes. Characterization of the crack in strain-gradient dependent materials has not found a common co...
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Chapter and Conference Paper
Research on the Technology of Electric Dispatching Customized Information Service
In the context of smart grid development, there are more and more data and information in power system, which does not only make dispatcher’ work harder, but also constitute a threat to power grid. On the basi...
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Chapter and Conference Paper
Research on Double-Objective Optimal Scheduling Algorithm for Dual Resource Constrained Job Shop
To solve the double-objective optimization of dual resource constrained job shop scheduling, an inherited genetic algorithm is proposed. In the algorithm, evolutionary experience of parent population is inheri...
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Article
Computational modeling of mixed-mode fatigue crack growth using extended finite element methods
The extended finite element method (XFEM) combined with a cyclic cohesive zone model (CCZM) is discussed and implemented for analysis of fatigue crack propagation under mixed-mode loading conditions. Fatigue d...
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Chapter and Conference Paper
The Bilevel Programming Model of Earthwork Allocation System
The earthwork allocation which is common in construction projects and directly affects the quality, costs and scheduling of projects is a transportation problem with hierarchical structure. Linear programming ...
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Article
Effects of temperature gradients on crack characterisation under thermal-mechanical loading conditions
With increasing temperature yield stress and Young's modulus of an engineering material decrease. The stress and displacement distributions of a crack may be substantially affected by varying temperature. Usin...
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Article
Modeling for the diffusion limitation of free radical polymerization
A new model was developed to describe the diffusion limitation on free radical polyme-rization. In this model the termination rate coefficient (k t) and propagation rate coefficient (k p) were expressed as a func...
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Article
Quantifications of crack constraint effects in an austenitic steel
In this paper we studied the quantitative assessment of the constraint effects at the crack-tip fields in an austenitic stainless steel (X6CrNi1811). The J-Q annulus was verified in two-dimensional crack fields u...
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Article
Elastoplastic crack analysis for pressure-sensitive dilatant materials-Part II: Interface cracks
The problem of a plane strain crack lying along an interface between a rigid substrate and an elastic-plastic material has been studied. The elastic-plastic material exhibits pressure-sensitive yielding and pl...
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Article
Analysis of elastoplastic sharp notches
In this paper the elastoplastic solutions with higher-order terms for apex V-notches in power-law hardening materials have been discussed. Two-term expansions of the plane strain and the plane stress solutions...
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Article
Elastoplastic crack analysis for pressure-sensitive dilatant materials — Part I: Higher-order solutions and two-parameter characterization
An elastoplastic solution with higher-order terms for cracks in materials exhibiting pressure-sensitive yielding and plastic volumetric deformation is presented in this paper. Two-term expansions of the plane ...
