Exact(1)
The narrow beam theory together with the trial elastic constants is used to predict the theoretical strains of the beam.
Similar(59)
Theoretical strain distributions in the weave architecture are obtained by finite element modeling of the representative volume.
A validation test was conducted through a comparison of strain clips, surface-mounted strain gauges and theoretical strain in an aluminium rod subjected to axial tensile loading.
Finally, the results obtained from the FBG sensors were compared to theoretical strain deviations, as calculated using ANSYS, to confirm the feasibility and range of sensitivity of FBG sensors for damage monitoring of composite material specimens.
Open image in new window Fig. 7 Theoretical strain and Stress distribution and internal forces on the cross section.
Theoretical strain was calculated with measurements gathered during the four-point bending test as previously described.
Theoretical transformation strains were calculated by using the energy minimization method and lattice deformation theory.
Through texture and crystallographic analysis, the most favorably oriented martensite variants with respect to each deformation direction were determined and the corresponding theoretical transformation strains were calculated.
It is found that there is a good agreement between the experimental stress-strain curves and the theoretical stress-strain curves.
In this research the technique is tested on curved surfaces, and results are compared with the theoretical hoop strain as predicted by the bi-axial strain equation modified for the thin cylinder, and by those obtained by electrical resistance strain gauge (ERSG) undoubtedly the principal method of measuring mechanical strain.
The theoretical predicted strain agrees well with the measurements.
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