Stress contours

Figure 5.12 Schematic diagram of the predicted normal stress contours in a typical section of the. symmetric domain shown in Figure 5.11...

FIG. 20-78 Reaction in compacts of magnesium carbonate when pressed (P = 671 kg/cnr ). (a) Stress contour levels in kilograms per square centimeter, (h) Density contours in percent solids, (c) Reaction force developed at wedge responsible for stress and density patterns. [Tf ain, Trans. Inst. Cbem. Eng. (London), 35, 258 (1957).]... 

Figure 7.15a-d Engineering stress and PME activity response surfaces and contour plots as functions of blanching temperature and time, (a) Engineering stress response surface, (b) Engineering stress contour plot, (c) PME activity response surface, (d) PME activity contour plot. 

Fig. 5.11 Maximum principle stress contours in the slice near the gas inlets of the five cell SOFC stack predicted using the temperature from pseudo 2-D stack model and ANSYS (after Valluru, 2005).

Figure 7.6 NMR parameter image of a strained poly(dimethylsiloxane) rubber band with a cut and calibration curves (a) Experimental curve for T2 versus strain, (b) Experimental stress-strain relationship, (c) Calibration curve for T2 versus strain obtained from combination of curves a and b, (d) Stress image obtained by recalibration of a T2 parameter image. The stress contours range from 0 to 2.4 MPa...

Figure 2.17 Example of an elastic/plastic finite element analysis (a) photograph showing distorted transformer housing from internal overpressurization (b) finite element results showing permanently distorted shape and stress contours. (Reprinted with permission from ASM International. All rights reserved www.asminternational.org)...

T3) are available in most FEA software packages and stresses are usually averaged by the FEA software packages to provide more accurate stress values when mapped (contoured) on to the mesh. A good first cut to the understanding of analysis results is the use of the von Mises stress (effective or equivalent stress). Fig. 10 shows the von Mises stress contour mapped to the FEA mesh in pounds/square inch (PSI). 

Figure 2. Damage distribution and mean stress contour plot at 0.6 ms in computer simulation of Experiment 79-8. The contour level and plot dimensions are the same as in Figure 1. At this time, the detonation is complete. A shock wave is propagating upward toward the free surface. Extensive damage has occurred around the...

Figure 3. Boundary-element model of a vertical hydrofracture propagating through ten layers of different stiffnesses. Horizontal arrows indicate the hydrofracture s fluid overpressure of 6 MPa in the lowermost layer J. Crosses indicate the fastening of the model in the lower comers. The opening displacement is exaggerated. Three vertical internal springs (through layers 1. H and G) allow the hydrofracture tip to propagate up to the bottom of the soft layer F, which makes the tip wide and blunt, dissipates most of the fracture-tip tensile stress (contours of Tj in megapascals), and may arrest the hydrofracture.

Figure 4.2 FEA of one eighth of a rubber cube, compressed in the vertical direction by 25%, showing vertical compressive stress contours (MPa). The surfaces, bonded to steel, are loaded.

Models of pre-cavitated rubber-reinforced composites at 0.1 horizontal tensile strain (Dommelen, J. A. W. et o/., Comput Mater. Sci, 27, 480, 2003) Elsevier, (a) Plastic strain contours for cylinders at random positions (b) hydrostatic stress contours (fraction of yield stress) for an axisymmetric approximation to a BCC array. 

The figure shows that the stope shear stress contours and permeability coefficient are extended forward at the top, which will cause an increase in overburden and overburden fracture water level changes, which will become sign of water hazard warning. 

Figure 1. Stope surrounding shear stress contours map.

Figure 5. The maximum principal stress contours of surrounding rock.

Figure 2. Vertical stress contour of different roadway pitch.

Figure 7. Shear stress contour in case 1. unit kPa. 

Figure 8. Maximum principal unit kPa stress contour in case 2. unit kPa.

Simulation results in case 2 The distribution law of maximum principal stress can be clearly known from stress contour (Figure 8), the areas of stress concentration appear around the and F2 faults, especially demonstrate in F fault, the maximum stress value around F fault is 16 MPa and F fault is 4.0 MPa. But there is no apparent stress-focus phenomenon near the Xiaoyudong weak zone, the stress concentration phenomenon is only in inflection of the weak zone and the maximum stress value is 3.2 MPa. 

The shear stress contour (Figure 16) shows that stress concentration phenomenon appears in fault F and at different degree. The shear stress is the greatest in central Longmenshan fault (F ) where the fault activity is the strongest and the stress value is 2.25-71.4 kPa, the shear stress value in the... 

Figure 11.58 Bright field transmission electron micrograph of a Zr02-muUite material produced by reaction sintering of zircon-Al203 powder mixtures. The material was annealed for 1 h. Larger twinned particles are monoclinic Z1O2 and the smaller particles (T) are tetragonal Zr02. Note the considerable stress contours in the mulUte matrix. (From Ref. 94.).

The typical output or postprocessing of a FEA model is the stress or temperature and displacement at each node of the model. Thousands of lines of printout can be summarized with a stress contour plot see Fig. 10-13. The stresses or temperatures in a user defined range are... 

Fig. 10-13. A finite element analysis color stress contour plot. Courtesy GE Advanced Engineering Design Group.)...

Figure 7 Computed RBS connection deformed von Mises stress contours at 0.05 radians of...

Figure 14 Computed response showing local flange and web buckling with von Mises stress contours (psi) at 0.04 radians of interstory drift (a) downward loading, (b) upward loading.

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