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cracks
Plane elastic problems of different media with cracks on the interface
      
The equilibrium problem for the infinite elastic plane consisting of two different media with many cracks on the interface is discussed.
      
Low pit aspiration ratio and cracks of some bordered pits are the main reasons for the increase in liquid penetration after RFVD treatment.
      
Initiation and propagation laws of the glass cracks in specimens subjected to normal loading under the action of symmetric wedge
      
To improve the machining precision of part surfaces and to facilitate tool design and cutting parameter selection, the initiation and propagation laws of glass cracks in specimens subjected to normal loading by symmetric wedges were investigated.
      
In addition, thermal cracking, thermal oxidization, carbonization and cyclization of organic substances on the surface of brake block can make the friction surface produce pores or cracks, thus fatigue wear occurs.
      
No cracks were observed in the bonding interface, and the bonding joints also showed good mechanical characteristics with pull stress of 3.0 to 12.0 g.
      
Fracture toughening exhibited in quasi-brittle materials such as concrete is often mainly related to the action of aggregate bridging, which leads to the presence of a fracture process zone ahead of stress-free cracks in such materials.
      
In addition, the abundant cracks in the expansive soil play an important role in the soil-water interaction.
      
The cracks disintegrate the soil mass, and more importantly, provide easy pathways for rainfall infiltration.
      
The double-K fracture model can well describe the development of cracks undergoing during the entire fracture process in concrete.
      
It is found that the rate of reversible creep is controlled by the transport of hydrogen gas through structural defects into incipient subcritical cracks formed upon the action of stresses.
      
The efficiency of aerosols as stimulants of the nucleation of water vapor at negative Celsius temperatures is determined by the surface density and geometry of nanoscopic cracks and fissures on the particle surface.
      
[5], who indicated the necessity of introducing two zones of liquid-pres sure variation corresponding to the propagation of perturbation in porous blocks and cracks, respectively [6].
      
Integrodifferential equations for plane filtration in the presence of cracks
      
A system of singular integr Differential equations is derived for the plane problem of steady-state filtration in a plate cut by a system of cracks.
      
We consider an arbitrary set of cracks, and also monoperiodic and biperiodic systems of cracks, in an infinite plane.
      
In the case of a system of infinite parallel rectilinear cracks, the general solution is obtained in explicit form-in quadratures.
      
As an example, we find the complex potential and the formula for the output from a borehole for a linear system of tiered, flooded plates, cut by a system of rectilinear parallel cracks.
      
A method of estimating the change in well productivity resulting from the hydraulic fracturing of a finite reservoir, piecewise-homogeneous in the horizontal and vertical directions, with an arbitrary number of cracks is proposed.
      
 

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