Results 81 to 90 of about 1,220,037 (212)

Mechanical Behaviors and Damage Constitutive Model of Thermally Treated Sandstone Under Impact Loading

open access: yesIEEE Access, 2018
Thermal-mechanical coupling damage is an important factor leading to instability and failure of rock mass engineering. The constitutive relation and damage evolution of rock-like materials under high strain rate is crucial parameters for the design of ...
Tubing Yin   +3 more
doaj   +1 more source

Damage Spreading and Criticality in Finite Random Dynamical Networks

open access: yes, 2007
We systematically study and compare damage spreading at the sparse percolation (SP) limit for random boolean and threshold networks with perturbations that are independent of the network size $N$.
Christof Teuscher   +3 more
core   +1 more source

Intertemporal accounting of climate change - Harmonizing economic efficiency and climate stewardship

open access: yes, 1999
Continuing a discussion on the intertemporal accounting of climate-change damages initiated by Nordhaus, Heal and Brown in response to the recent demonstration of Hasselmann et al.
Hasselmann, K.
core   +1 more source

A thermoviscoplastic model with damage for simultaneous hot/cold forging analysis [PDF]

open access: yes, 2013
A constitutive model is presented for simultaneous hot/cold forming processes of steels. The phenomenological material theory is based on an enhanced rheological model and accounts temperature dependently for nonlinear hardening, thermally activated ...
Bröcker, C., Matzenmiller, A.
core  

Evolution of nonlocal damage in steel under cyclic straining [PDF]

open access: yes, 2013
For high dynamic excitation, e.g. by earthquakes, the vibrations of steel structures lead to inelastic material behavior. Hystereses, developing under cyclic loading, are responsible for the dissipation of energy.
Dinkler, Dieter   +2 more
core  

Deep learning inter-atomic potential model for accurate irradiation damage simulations

open access: yes, 2019
We propose a hybrid scheme that interpolates smoothly the Ziegler-Biersack-Littmark (ZBL) screened nuclear repulsion potential with a newly developed deep learning potential energy model.
Guo, Xun   +4 more
core   +1 more source

A Study on the Damage Evolution Law of Layered Rocks Based on Ultrasonic Waves Considering Initial Damage

open access: yesApplied Sciences
The damage evolution process of layered rock is influenced by its fine structure, lamination direction, and confining pressure, exhibiting significant anisotropic characteristics. This study focuses on shale as the research object, employing indoor tests
Jiawei Liu, Shuchen Xuan, Gao Liu
doaj   +1 more source

Modeling Vacuum Arcs [PDF]

open access: yes, 2010
We are developing a model of vacuum arcs. This model assumes that arcs develop as a result of mechanical failure of the surface due to Coulomb explosions, followed by ionization of fragments by field emission and the development of a small, dense plasma ...
Huang, D.   +5 more
core   +1 more source

Damage in Fiber Bundle Models

open access: yes, 2000
We introduce a continuous damage fiber bundle model that gives rise to macroscopic plasticity and compare its behavior with that of dry fiber bundles. Several interesting constitutive behaviors are found in this model depending on the value of the damage
Herrmann, Hans J.   +2 more
core   +1 more source

Interacting damage models mapped onto Ising and percolation models

open access: yes, 2004
We introduce a class of damage models on regular lattices with isotropic interactions, as e.g. quasistatic fiber bundles. The system starts intact with a surface-energy threshold required to break any cell sampled from an uncorrelated quenched-disorder ...
A. A. Griffith   +10 more
core   +4 more sources

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