crack opening
Displacement Discontinuity Analysis of the Effects of Various Hydraulic Fracturing Parameters on the Crack Opening Displacement (COD)
... the crack opening displacement (COD) and the crack tip opening displacement (CTOD) by Wells [7,8], and the crack tip opening angle ...
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The Influence of Weld Strength Mis-Match on Crack Opening Areas
... particular crack geometry and loading, by means of obtaining an elastic value of COA and then using an assessment diagram of the form shown in Figure ...of crack opening area to be obtained for the ...
7
Infrasonic wave accompanying a crack opening during the 2015 Hakone eruption
... the opening of a shallow crack using a cross-correlation method between infrasound and vertical ground veloc- ...the opening of a crack beneath the Owakudani geother- mal ...open crack ...
9
Finite Element Analysis of the Effect of Crack Depth and Crack Opening On the Girder
... discrete crack concept, the smeared crack concept fits the nature of the finite element displacement method, since the continuity of the displacement field remains ...the crack model based on the ...
6
Crack Opening Behavior of Concrete Reinforced with High Strength Reinforcing Steel
... Secondary crack formation is usually studied by examining the portion of the beam between two adjacent primary cracks or by analyzing the model of an axially loaded reinforced concrete prism in tension (as is done ...
12
Crack Opening Displacement of the Plate Subjected to Bending Stress (G294)
... Leak-Before-Break (LBB) concept has been applied to piping design of nuclear power plants (NPPs) for several years for the purpose of rationalization of pipe-supporting structures. In the application of the LBB concept ...
8
Crack Opening Behavior of Penetrated Crack under Cyclic or Monotonic Loading
... Evaluation of stress intensity factor alter crack penetration ; In order to evaluate crack growth behaviors after crack penetration, following pipe model was considered. On t[r] ...
8
A NEW EXPERIMENTAL METHOD FOR THE MEASUREMENT OF FRACTURE PARAMETERS
... initial crack sizes are measured, and crack propagating process is recorded with the increment of applied ...pressure. Crack opening area is calculated during the post-processing ...initial ...
9
The effect of bond stress on residual strength of cracked RC beams
... A crack propagation model is proposed to evaluate the fatigue life of RC beams which overcomes the limitations of Paris ...toughness, crack length, loading ratio and structural ...of crack extension, ...
8
Stress concentration during pellet cladding interaction: comparison of closed-form solutions with 2D(R,?) finite element simulations
... pellet crack opening and the clad stress distribution in front of an opening pellet crack during in-reactor normal and off-normal operating ...radial crack opening profiles ...
8
IDENTIFICATION OF CONCRETE FRACTURE PARAMETERS USING DIGITAL IMAGE CORRELATION AND INVERSE ANALYSIS
... a crack propagates in any material, a concentration of strain appears ahead of the crack tip, extending the ...cohesive crack model (FCM or CCM) for quasi-brittle materials such as ...to crack ...
301
American Journal of Materials Engineering and Technology
... The value of the un-notched nominal strength, considered as the maximum principal stress, is measured as 163 MPa. Besides, the damage evaluation criterion is maximum traction displacement; the maximum crack ...
7
A Simple Method for Modeling Open Cracked Beam
... of crack openings are ...the crack opening, the amounts of natural frequencies are ...varying crack location on natural frequencies of beam are ...of crack location on natural frequency ...
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Leak Rate Evaluation For Through-Wall Cracks
... LRCPC also uses net-section plastic collapse criterion to calculate crack opening displacemem of the circumferential through wall crack under simple tension, pure bend[r] ...
7
Modeling fracture cementation processes in calcite limestone: a phase-field study
... moderate crack opening rates, resulting in a mostly sealed vein is characterized by irregular contacts between domains grown from opposing sides of the crack ...slow crack opening rate ...
15
Transient Dynamic Crack Analysis by a Hypersingular Time-Domain BEM
... The square-root crack-tip shape-function describes the local behavior of the crack-opening-displacements (CODs) at crack-tips properly, and its use ensures an accurate[r] ...
8
Application of Models for IGSCC Inspection
... In the current model implementation, the crack opening displacement and stress fields are approximated by assuming that the local illuminating fields on the branches or stem of the crack[r] ...
8
DAMAGE MORPHOLOGICAL PARAMETERS
... The number of analyzed microcracks is, of course, too low to have a result statistically representative of the microcrack array in the hot zone of the crept specimens. Nevertheless, it gives some correct information on ...
5
An autonomous surface discontinuity detection and quantification method by digital image correlation and phase congruency
... the crack, known as the crack opening displacement (COD), has also been used for both elastic and elastic-plastic materials as a crack quantifying parameter [25-27], as it has a direct ...
27
Finite Element Simulation of Short Crack Behavior under Thermo-Mechanical Loading Conditions
... the crack is considered ...of crack opening and ...a crack of the length given by the crack configuration would open or ...when opening or closure occur and then obtaining the ...
10