Results 61 to 70 of about 5,334,937 (242)

Optimization of the Production of Rubber Compounds Using Mathematical Models

Advanced Engineering Materials, EarlyView.
Rubber compounds were mixed in a batch internal mixer, and symbolic regression was used to derive mathematical models linking recipe and process parameters to ram path, torque, and mixing quality (incorporation, dispersion, distribution). Subsequent optimization with evolutionary algorithms identified operating conditions that reduce specific energy ...
Anke Bardehle, Andreas Limper, Ulrich Giese, Carlos Lucke, Mario Beiner, Christoph Gögelein, Lisa Leuchtenberger‐Engel, Christian Hopmann   +7 more
wiley   +1 more source

Distribution difference and targeted control of tensile-shear fracture of surrounding rock in coal roadway with principal stress axis rotation

Meitan kexue jishu
This study investigates tensile-shear fracture distributions and stress evolution in roadway surrounding rock under differential principal stresses with axis rotation, employing integrated theoretical-simulation-numerical methods for deep mining with ...
Yongge GAO, Zhenming XU, Feng LUO, Huiyuan LI, Peng WANG, Shun ZHANG, Tuan HE, Jiaqi HU, Depeng ZHANG   +8 more
doaj   +1 more source

Testing of Undrained Shear Strength in a Hollow Cylinder Apparatus

Studia Geotechnica et Mechanica, 2015
The paper presents the results of tests performed in a Torsional Shear Hollow Cylinder Apparatus on undisturbed cohesive soils. The tests were performed on lightly overconsolidated clay (Cl) and sandy silty clay (sasiCl).
Wrzesiński Grzegorz, Lechowicz Zbigniew
doaj   +1 more source

Workflow for Design of Experiments‐Based Modeling of Species Transport and Growth Kinetics in GaN Hydride Vapor Phase Epitaxy

Advanced Engineering Materials, EarlyView.
A novel workflow for investigating hydride vapor phase epitaxy for GaN bulk crystal growth is proposed. It combines Design of experiments (DoE) with physical simulations of mass transport and crystal growth kinetics, serving as an intermediate step between DoE and experiments.
J. Tomkovič, G. Lukin, H. Torkashvand, A. Kerschbaum, M. Müller, S. Besendörfer, J. Heitmann, J. Friedrich   +7 more
wiley   +1 more source

A state-dependent soil model and its application to principal stress rotation simulations

International Journal of Distributed Sensor Networks, 2018
The plastic strain caused by principal stress rotation is one of the most important factors contributing to substantial deformation under earthquake, wave or traffic loading.
Zhongtao Wang, Peng Liu, Andrew Hin Cheong Chan   +2 more
doaj   +1 more source

Numerical Simulation of the Cervical Spine in a Normal Subject and a Patient with Intervertebral Cage under Various Loadings and in Various Positions

International Clinical Neuroscience Journal, 2016
Background: Cervical spine sustains most of the vertebral column injuries, among other injuries, the disc degeneration and damage that lead to replacement of the damaged disc with cage or artificial disc.
Seifollah Gholampour, Nikoo Soleimani, Ali Reza Zali, Fateme Zare Karizi, Afsoun Seddighi   +4 more
doaj   +1 more source

OntOMat: Toward Ontology‐Based Product and Process Design Engineering and Optimization Solutions Fueling Circular Value Chains

Advanced Engineering Materials, EarlyView.
The OntOMat ontology establishes a structured framework for polymer matrix fiber reinforced composite materials, integrating manufacturing processes, characterization methods, and multiscale design through the VDI/VDE 3682 formalized process description standard.
Nicolas Christ, Jörg Hohe, Martin Kördel, Michael Giese, Niklas Toffert, Christian Seidel, Olaf Rehme, Patrik Schneider, Oliver Focke, Elie Abi Aoun, Claas Falldorf, Beñat Gutierrez, Alexandra Kühn, Sven Torstrick-von der Lieth, Christoph Herden, Erik Johannsen, Jan‐Uwe R. Schmidt, Felix Winkelmann, Andreas Schott, Daniel Schott   +19 more
wiley   +1 more source

Method of Embankment Stability Analysis Taking into Account the Change in Undrained Shear Strength Caused by the Principal Stress Rotation in the Subsoil

Applied Sciences
This study investigates the selection of shear strength parameters for cohesive soil subsoils in the stability analysis of embankments in undrained conditions.
Grzegorz Wrzesiński, Katarzyna Pawluk, Marzena Lendo-Siwicka, Sylwia Szymanek   +3 more
doaj   +1 more source

Estimation of the differential stress from the stress rotation angle in low permeable rock

Geophysical Research Letters, 2017
Rotations of the principal stress axes are observed as a result of fluid injection into reservoirs. We use a generic, fully coupled 3‐D thermo‐hydro‐mechanical model to investigate systematically the dependence of this stress rotation on different ...
Moritz O. Ziegler, Oliver Heidbach, Arno Zang, Patricia Martínez‐Garzón, Marco Bohnhoff   +4 more
doaj   +1 more source

Modelling the simple shear behaviour of clay considering principal stress rotation

, 2020
Simple shear deformation is prevailing in geotechnical problems. One of its salient features is the rotation of the principal stress axes. Early numerical modelling of soil simple shear behaviour usually neglects the plastic deformation induced by ...
Wang, Z, Yu, H-S, Lu, N, Yang, Y
core   +1 more source