Results 31 to 40 of about 171,478 (327)

Ratio of Loss and Storage Moduli Determines Restitution Coefficient in Low-Velocity Viscoelastic Impacts [PDF]

open access: yes, 2020
Impact tests are an important tool to analyze dynamic material properties of viscoelastic media in technology and biology. In this context, rigorous contact mechanical models of the collision problem are necessary to adequately interpret data from impact
Willert, Emanuel
core   +1 more source

Non-spherical collapse of an air bubble subjected to a lithotripter pulse [PDF]

open access: yes, 2008
In order to better understand the contribution of bubble collapse to stone comminution in shockwave lithotripsy, the shockinduced and Rayleigh collapse of a spherical air bubble is investigated using numerical simulations, and the free-field collapse ...
Bailey, Michael R.   +3 more
core   +1 more source

Assessment techniques for the evaluation of concrete structures after fire [PDF]

open access: yes, 2013
As concrete structures exposed to fire behave in most cases very well, it could be of economic interest to repair the fire damaged structure. For this purpose a damage assessment based on scientific research is required as first step.
Annerel, Emmanuel, Taerwe, Luc
core   +2 more sources

Prediction of Uniaxial Compressive Strength and Modulus of Elasticity for Some Sedimentary Rocks in Kurdistan Region- Iraq using Schmidt Hammer. [PDF]

open access: yesKirkuk Journal of Science, 2018
Uniaxial compressive strength (UCS) and Modulus of Elasticity or Young’s Modulus (E) used in most of engineering projects in rock mechanics, are the most important mechanical parameters of rocks.
Hyam Saleh Daoud   +2 more
doaj   +1 more source

Numerical simulations of non-spherical bubble collapse [PDF]

open access: yes, 2009
A high-order accurate shock- and interface-capturing scheme is used to simulate the collapse of a gas bubble in water. In order to better understand the damage caused by collapsing bubbles, the dynamics of the shock-induced and Rayleigh collapse of a ...
Colonius, Tim, Johnsen, Eric
core   +1 more source

Anisotropy of mechanical properties of greywacke [PDF]

open access: yes, 2019
The paper brings description of the mechanical properties of greywacke sampled in Kobeřice quarry (Lower Carboniferous Culm Basin, Drahany Uplands, Bohemian Massif).
Havlíčková, Dagmar   +2 more
core   +1 more source

Compressive Strength Prediction Model of High Strength Concrete by Destructive and Nondestructive Technique [PDF]

open access: yesE3S Web of Conferences
Concrete’s compressive strength can be tested in a laboratory before construction begins. Since concrete is a natural material and cannot be destroyed, it is not possible to determine its compressive strength through destructive testing.
Singh Shobna   +6 more
doaj   +1 more source

Comparatively Study of Non-Destructive test with different methods in various curing days [PDF]

open access: yesE3S Web of Conferences
In non-destructive testing, materials, components, or assemblies are inspected, tested, or evaluated without being destroyed. In nondestructive testing, materials, components, and assemblies are evaluated for quality and integrity without damaging them ...
Pahade Chandramohan   +6 more
doaj   +1 more source

An Infrared Thermography Approach to Evaluate the Strength of a Rock Cliff

open access: yesRemote Sensing, 2021
The mechanical strength is a fundamental characteristic of rock masses that can be empirically related to a number of properties and to the likelihood of instability phenomena.
Marco Loche   +9 more
doaj   +1 more source

Shock waves from non-spherical cavitation bubbles [PDF]

open access: yes, 2017
We present detailed observations of the shock waves emitted at the collapse of single cavitation bubbles using simultaneous time-resolved shadowgraphy and hydrophone pressure measurements.
Dorsaz, Nicolas   +5 more
core   +3 more sources

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