Numerical Simulation on Real-Time Temperature Field and Strength Field of Bridge Mass Concrete

2011 ◽  
Vol 99-100 ◽  
pp. 346-349
Author(s):  
Chun Mei Zhu ◽  
You Zhi Wang ◽  
Bin Yan ◽  
Hong Wei Gao
Keyword(s):  
Numerical Simulation ◽  
Temperature Field ◽  
Stress Field ◽  
Real Time ◽  
Simulation Analysis ◽  
Mass Concrete ◽  
Construction Scheme ◽  
Control Schemes ◽  
Concrete Temperature ◽  
Instantaneous Temperature

Access to the internal concrete temperature of the instantaneous temperature field and the strength of the field Real-time monitoring , Concrete temperature field and stress field of the numerical simulation analysis method was proposed . Intuitive accurate prediction that the temperature field and stress field provide a reliable basis on the distribution of temperature control schemes and the construction scheme formulated.

Based on MIDAS/CIVIL the Anchorage of Mass Concrete Temperature Field and Stress Field Simulation Analysis

2013 ◽  
Vol 724-725 ◽  
pp. 1482-1488
Author(s):  
Ming Ru Zhou ◽  
Qiong Fei Shen ◽  
Zhao Ning Zhang ◽  
Hong Sheng Li ◽  
Zhong Yu Guo ◽  
...  
Keyword(s):  
Temperature Field ◽  
Stress Field ◽  
Heat Conduction Equation ◽  
Simulation Analysis ◽  
Yellow River ◽  
Time Interval ◽  
Mass Concrete ◽  
Finite Element Software ◽  
Cooling Method ◽  
Concrete Temperature

Based on the foundation of heat conduction equation, this paper analyses the Yellow River bridge liujiaxia anchorage of mass concrete temperature field and stress field in the natural cooling and stratified pouring time interval for 7 days to circumstances with the MIDAS/CIVIL finite element software. The results show that the interval 7 days stratified pouring and natural cooling method, can't meet the requirements of concrete anti-crack.

The Numerical Simulation Analysis of Tuyere's Temperature Field and Stress Field

2013 ◽  
Vol 706-708 ◽  
pp. 1701-1704 ◽  
Author(s):  
Xi Ping Guo ◽  
Wen Yue Han
Keyword(s):  
Numerical Simulation ◽  
Numerical Modeling ◽  
Temperature Field ◽  
Stress Field ◽  
Simulation Analysis

Research on the temperature field and stress field of tuyere by numerical modeling and analyse the influence of structure on tuyere's property.

scholarly journals Simulation Analysis of Mass Concrete Temperature Field

2012 ◽  
Vol 5 ◽  
pp. 5-12 ◽  
Author(s):  
Zhou Yunchuan ◽  
Bai Liang ◽  
Yang Shengyuan ◽  
Chen Guting
Keyword(s):  
Temperature Field ◽  
Simulation Analysis ◽  
Mass Concrete ◽  
Concrete Temperature

Study on Thermal Field of Mass Concrete by Experiment and Numerical Simulation

2010 ◽  
Vol 168-170 ◽  
pp. 1117-1121
Author(s):  
Xiao Yong Li ◽  
Zhi Gang Zhang
Keyword(s):  
Numerical Simulation ◽  
Temperature Field ◽  
Thermal Field ◽  
Maximum Temperature ◽  
Mass Concrete ◽  
Ansys Software ◽  
Field Development ◽  
Concrete Temperature ◽  
Age Dependent ◽  
Under Construction

An experimental study is conducted to simulate the thermal field in mass concrete. Accurate prediction of the thermal stress by analysis is quite difficult particularly at early ages, due to uncertain age-dependent properties of concrete. A series of tests was conducted in which the temperature was measured for a large number of observation points. The effect of aging and the amount of measuring points on thermal field development that can occur in realistic structures was evaluated. Numerical simulations of the thermal field setup were also performed using the finite element with ANSYS software to verify and extend the experimental interpretation and to determine the maximum temperature value which would occur under construction process. Mass concrete temperature field and stress field for specific projects were measured and analyzed. Numerical simulation of mass concrete temperature field for the actual project is compared with the measured results. The results show that the temperature field of numerical simulation results and measured curves result are of the same trend. And it is feasible that mass concrete temperature field is simulated based on ANSYS.

Numerical Simulation and Monitoring of Mass Concrete Wall Temperature Field

2013 ◽  
Vol 683 ◽  
pp. 262-265 ◽  
Author(s):  
Yan Wang ◽  
Er Bo Pang ◽  
Heng Chun Zhang ◽  
Long Yang
Keyword(s):  
Numerical Simulation ◽  
Temperature Field ◽  
Wall Temperature ◽  
Linear Accelerator ◽  
Simulation Analysis ◽  
Mass Concrete ◽  
Temperature Field Distribution ◽  
Concrete Wall ◽  
Concrete Element ◽  
Set Up

This paper investigated the calculation of mass concrete wall temperature field by ANSYS and compared the results with measured results, based on radiation protection mass concrete wall of medical linear accelerator in Wuhan Union Hospital.The solid70 was selected as the concrete element and reasonable boundary conditions and environmental conditions were set in the analysis of ANSYS.The results shows that temperature field distribution and development law obtained through numerical simulation analysis are consistent with measured results,which can help set up the temperature monitoring points.

Experimental and numerical investigation of the thermomechanical load on a turbine housing in a radial turbocharger

2021 ◽  
pp. 095440702110521
Author(s):  
Shaolin Chen ◽  
Hong Zhang ◽  
Liaoping Hu ◽  
Guangqing He ◽  
Fen Lei ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Temperature Field ◽  
Fatigue Life ◽  
Simulation Analysis ◽  
Simulation Method ◽  
Testing Temperature ◽  
Experimental Results ◽  
Maximum Temperature ◽  
Monitoring Point ◽  
Turbine Housing

The fatigue life of turbine housing is an important index to measure the reliability of a radial turbocharger. The increase in turbine inlet temperatures in the last few years has resulted in a decrease in the fatigue life of turbine housing. A simulation method and experimental verification are required to predict the life of a turbine housing in the early design and development process precisely. The temperature field distribution of the turbine housing is calculated using the steady-state bidirectional coupled conjugate heat transfer method. Next, the temperature field results are considered as the boundary for calculating the turbine housing temperature and thermomechanical strain, and then, the thermomechanical strain of the turbine housing is determined. Infrared and digital image correlations are used to measure the turbine housing surface temperature and total thermomechanical strain. Compared to the numerical solution, the maximum temperature RMS (Root Mean Square) error of the monitoring point in the monitoring area is only 3.5%; the maximum strain RMS error reached 11%. Experimental results of temperature field test and strain measurement test show that the testing temperature and total strain results are approximately equal to the solution of the numerical simulation. Based on the comparison between the numerical calculation and experimental results, the numerical simulation and test results were found to be in good agreement. The experimental and simulation results of this method can be used as the temperature and strain (stress) boundaries for subsequent thermomechanical fatigue (TMF) simulation analysis of the turbine housing.

The Verification of Geometry Control Method for Cable-Stayed Bridge

2014 ◽  
Vol 1065-1069 ◽  
pp. 992-996
Author(s):  
Can Huang ◽  
Yi Zhi Bu ◽  
Qing Hua Zhang
Keyword(s):  
Numerical Simulation ◽  
Temperature Field ◽  
Energy Method ◽  
Control Method ◽  
Simulation Analysis ◽  
Beam Element ◽  
Integration Process ◽  
Cable Stayed Bridge ◽  
Construction Procedure ◽  
Element Theory

Based on the energy method and beam-element theory, the nonlinear strain are considered, non-stress length and non-stress curvature of element of geometry control method are introducted in the integration process of stain energy. The static equilibrium equation of the geometry control method is established. Take the impacts of structural geometric profile induced by temporary loads and temperature field during the construction procedure are investigated, the correctness of the geometry control method is verified by the numerical simulation analysis.

Numerical Simulation of Tectonic Stress Field in the Southeast of the Qinghai-Tibet Plateau

2013 ◽  
Vol 864-867 ◽  
pp. 2418-2421
Author(s):  
Li Yang ◽  
Jian Lin Li ◽  
Shi Wei Luo
Keyword(s):  
Numerical Simulation ◽  
Stress Field ◽  
Simulation Analysis ◽  
Tectonic Stress ◽  
Geological Structure ◽  
Tibet Plateau ◽  
Tectonic Stress Field ◽  
Structure Model ◽  
Set Up ◽  
Qinghai Tibet Plateau

The tectonic stress field plays an important role in the research of crustal stability, fault activity and the geological disaster effect. On the basis of related geological data, ANSYS and FLAC3D are applied in this paper to set up a reasonable geological structure model and boundary conditions, aiming at making a numerical simulation analysis of tectonic stress field in the southeast of the Qinghai-Tibet plateau. The result and the measured data fit better, which provides a reference for the further study of the project.

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