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20篇 您的检索式:作者名="HESSER J"
    题名 作者 年代 出处 被引量
1Image noise level estimation by principal component analysis显示文摘Pyatykh S Hesser J Zheng L 2013IEEE Transactions on Image Processing2013,22,2:1
2Clinical application of varian OBI CBCT system and dose reduction techniques in breast cancer patients setup 显示文摘Ueltzhffer S Zygmanski P Hesser J 2010Med Phys2010,37,6:1
3Dose - response relationship of locally applied nimodipine in an ex vivo model of cerebral vasospasm 显示文摘Seker F Hesser J Neumaier - Probst E 2013Neuroradiology2013,55,1:1
4显示文摘 Hesser R J Stieglitz B 1986Biotechnology and Bioengineering Symposium1986,,17:1
5Image noise level estimation by principal component analysis 显示文摘Pyatykh S Hesser J Zheng L 2013IEEE Transactions on Image Processing2013,22,2:1
6Calculating dense disparity maps from color stereo images,an efficient implementation显示文摘Muehlmann K Maier D Hesser J 2002International Journal of Computer Vision2002,47,1:1
7Near-infrared imaging with quantum-dot-sensitized organic photodiodes显示文摘Rauch T Boberl M Tedde S F Furst J Kovalenko M V Hesser G N Lemmer U Heiss W Hayden O 0,,06:1
8Calculating dense disparity maps from color stereo images, an efficient implementation 显示文摘MUHLMANN K MAIER D HESSER J REINHARD M 2002International Journal of Computer Vision2002,47,13:1
9Image noise level estimation by principal component analysis 显示文摘Pyatykh S Hesser J Zheng Lei 2013IEEE Transactions on Image Processing2013,22,2:1
10Calculating dense disparity maps from color stereo images,an efficient implementation显示文摘Mtühlmann K Maler D Hesser J Münner 2002International Journal of Computer Vision2002,47,13:1
11Three architectures for volume rendering 显示文摘HESSER J MANNER H 2003Computer Graphics Forum2003,14,3:1
12Hepatitis B surface antigen (Australia antigen) in parents and sex ratio of off-spring in a Greek population 显示文摘Hesser JE Economidou J Bluemberg BS 1975Hum Biol1975,47,4:1
13On steiner trees and genetic algorithms显示文摘Hesser J Manner R Stucky O 1991Springer Berlin / Heidelberg1991,565,:1
14Image noise level estimation by principal component analysis显示文摘Pyatykh S Hesser J Zheng Lei 2013IEEE Transactions on Image Processing2013,22,2:1
15Calculating dense disparity maps from color stereo images, an efficient implementation显示文摘Muhlmann K Maier D Hesser J 2002Int J of Computer Vision2002,47,13:1
16Calculating dense disparity maps from color stereo images, an effi- cient implementation 显示文摘MIIHLMANN K MAIER D HESSER J 2002International Journal of Computer Vision2002,47,:1
17Analysis of flow path around the sealing section HG-A experiment in the Mont Terri Rock Laboratory显示文摘Wenjie Xu Hua Shao Paul Marschall Jürgen Hesser Olaf Kolditz 2013Environmental Earth Sciences2013,,7:1
18Calculating dense disparity maps from color stereo images,an efficientimplementation显示文摘Mühlmann K Maier D Hesser J 2002International Journal of Computer Vision2002,47,13:1
19Numerical analysis of thermal impact on hydro-mechanical properties of clay显示文摘As is known,high-level radioactive waste(HLW) is commonly heat-emitting.Heat output from HLW will dissipate through the surrounding rocks and induce complex thermo-hydro-mechanical-chemical(THMC) processes.In highly consolidated clayey rocks,thermal effects are particularly significant because of their very low permeability and water-saturated state.Thermal impact on the integrity of the geological barriers is of most importance with regard to the long-term safety of repositories.This study focuses on numerical analysis of thermal effects on hydro-mechanical properties of clayey rock using a coupled thermo-mechanical multiphase flow(TH2M) model which is implemented in the finite element programme OpenGeoSys(OGS).The material properties of the numerical model are characterised by a transversal isotropic elastic model based on Hooke's law,a non-isothermal multiphase flow model based on van Genuchten function and Darcy's law,and a transversal isotropic heat transport model based on Fourier's law.In the numerical approaches,special attention has been paid to the thermal expansion of three different phases:gas,fluid and solid,which could induce changes in pore pressure and porosity.Furthermore,the strong swelling and shrinkage behaviours of clayey material are also considered in the present model.The model has been applied to simulate a laboratory heating experiment on claystone.The numerical model gives a satisfactory representation of the observed material behaviour in the laboratory experiment.The comparison of the calculated results with the laboratory findings verifies that the simulation with the present numerical model could provide a deeper understanding of the observed effects.Xuerui Wang Hua Shao Jürgen Hesser Chunliang Zhang Wenqing Wang Olaf Kolditz 2014Journal of Rock Mechanics and Geotechnical Engineering2014,6,5:0
20Simulation of dilatancy-controlled gas migration processes in saturated bentonite using a coupled multiphase flow and elastoplastic H2 M model显示文摘Dilatancy-controlled gas flow in preferential pathways plays a key role in the safety analysis of radioactive waste repositories.This is particularly the case for bentonite,an often-preferred barrier material.Gas flow in preferential pathways is characterized by localization and spontaneous behavior,which is challenging to simulate in numerical models due to strong hydro-mechanical coupling.To analyze a laboratory experiment in the framework of the DECOVALEX-2023 project,this study introduced a new approach of combining continuous modelling methods with spatial material properties derived from material heterogeneities and experimental observations.The proposed model utilized hydro-mechanical spatial distributions,namely Young’s modulus and gas entry pressure,and elastoplasticity combined with a linear swelling model.A conceptual strain-dependent permeability approach simulated dilatancycontrolled gas flow based on hydro-mechanical coupling.To test the effectiveness of the presented approach,a gas injection test in a compacted,saturated bentonite sample was simulated using the opensource code OpenGeoSys 5.8 and compared with experimental observations.The presented methodology is capable of simulating localized gas flow in preferential pathways.The spatial distributions of Young’s modulus and gas entry pressure affect the swelling pressure,relative permeability and,in combination with the strain-dependent permeability model,also the intrinsic permeability.Eike Radeisen Hua Shao Jürgen Hesser Olaf Kolditz Wenjie Xu Wenqing Wang 2023Journal of Rock Mechanics and Geotechnical Engineering2023,15,4:0
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