Three-dimensional strain rosettes: Pattern selection and performance evaluation

Rossetto, Sergio; Bray, A.; Levi, Raffaello

doi:10.1007/bf02319834

Cited by 24 publications

(17 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The technique initially proposed by Yakovlev and Inyutin [1] and by Brasier and Dove [2] has been developed and applied by many researchers [3–30]. The activity in the field of embedded strain gauges can be classified as follows:…”

Section: Introductionmentioning

confidence: 99%

“…Power supplies of the gauges [9, 12, 19, 24, 29]. Pattern selection and performance evaluation of three‐dimensional rosettes [5, 7, 11, 13–16, 18, 25]. Various applications such as those concerning the analysis of contact stresses [1, 7, 11], thermal stresses [8], perforated models [17], biomechanics [23, 25–29], composite materials [20, 22].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Embedded Strain Gauges: Effect of the Stress Normal to the Grid

Ajovalasit

2005

Strain

View full text Add to dashboard Cite

In general, a strain gauge embedded in a model is subjected to a stress normal to the grid, whereas a gauge on the external surface is free from such a stress. This paper concerns the effect of the stress normal to the grid on the output of the strain gauge; usually, the influence of such a stress has a negligible effect, however, in some cases a notable influence has been noted. Therefore, the output of the strain gauge is determined in function of the strains in the plane of the gauge, ɛl and ɛt, and of the stress, σn, normal to the grid. The analysis shows that the output of the strain gauge is influenced by the coupled effect of transverse sensitivity and pressure sensitivity of the strain gauge. In particular, the analysis shows that, for Constantan gauges compensated for steel, the influence of the transverse sensitivity is in general prevailing on that one due to the pressure sensitivity. The results reported in this paper explain the experimental data obtained by various researchers.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Embedded Strain Gauges: Effect of the Stress Normal to the Grid

Ajovalasit

2005

Strain

View full text Add to dashboard Cite

show abstract

“…5). Factors which influence the selection of rosette pattern have been described by Rossetto et al (1974) and Rossetto et al (1975). Analysis of the results of the work carried out by these authors showed that the three dimensional strain rosette of Fig.…”

Section: Section On a Amentioning

confidence: 90%

“…A large model of the tibial component of the Geomedic@ knee, made from an epoxy, was loaded with a large femoral model thus producing a simulation of the natural load distribution between the two components. Three dimensional strain rosettes (Baker and Dove, 1963;Derenne and Bazergui, 1971;Bazergui et al, 1973, Bazergui et al, 1974Rossetto et al, 1974;Rossetto et al, 1975;Little, 1982a) were embedded into the model of the tibial component at critical sites to obtain the strain distribution. To simplify this initial investigation, an analysis of the underlying cement and bone was not carried out, but an attempt was made to simulate the cancellous bone beneath the prosthesis in order to obtain a reasonably representative model of the actual knee.…”

Section: Introductionmentioning

confidence: 99%

A Static Experimental Stress Analysis of a Single Plateau of the Geomedic® Knee Joint Using Embedded Strain Gauges

Little¹

1985

Engineering in Medicine

View full text Add to dashboard Cite

The tibial component of the Geomedic@ knee joint is subject to a non-uniform stress distribution which tends to cause loosening from the substrate. An experimental stress analysis was carried out to establish the nonuniform stress distribution by embedding three dimensional strain rosettes into epoxy plugs and fitting them into a large epoxy model of the tibial component. The strain data caused by loading the model of the tibial component in compression was analysed and was compared with results from a finite element analysis on a similar model of the prosthesis.

show abstract

“…A two dimensional strain rosette will enable the measurement of two normal strains and one shearing strain on a planar surface. By placing three 2D dimensional strain gauges orthogonal to each other it is possible to derive the three principals strains both in magnitude and direction [11]- [13]. For this work foil based strain gauge rosettes were used, each rosette consisting of three gauges in a stacked structure.…”

Section: A 3d Strain Measurementmentioning

confidence: 99%

Miniature embedded prognostic probe

Moore

Barrett

2011

2011 IEEE Conference on Prognostics and Health Management

View full text Add to dashboard Cite

Sensing systems for reliability prognostics are used extensively in life-and mission-critical electronics systems. They allow monitoring of reliability stresses in real time and scheduling of preventative maintenance before system failure. However, reliability prognostics systems are, in general, large and expensive and cannot be used in lower cost, small sized or portable products. This paper presents a sensing module for reliability prognostics which is only 1.2cm 3 in volume and uses only commercial off-theshelf components. In its 1.2cm 3 package, the module combines all the necessary elements to act as an embedded prognostic sensor system for multi axial strain and temperature monitoring. The system consists of microcontroller, sensors, data storage, signal conditioning and communications interface in a single package. The module takes a cube form factor and can measure 3D strain, 3D temperature, and humidity at the point it is located. The use of commercial-off-the-shelf components throughout the module and its modular design mean that the system can be readily customised in terms of both size and functionality, a major advantage over approaches which use custom-designed test chips.The module was subjected to a range of stress tests for both calibration and characterisation. Mechanical testing of "dogbone" encapsulated test specimens verified that the direction and magnitude of all components of 3D strain could be resolved with a correlation on average of better than 10% with finite element analysis results when subjected to tensile loads. Climatic test results verify the systems functionality over the range of 0 -85 degrees Celsius as well as providing data for calibration of the device.The module is small and modular enough that it can be used in applications such as structural health monitoring and reliability prognostics and for calibration of mechanical/ thermomechanical simulations.

show abstract

Three-dimensional strain rosettes: Pattern selection and performance evaluation

Cited by 24 publications

References 2 publications

Embedded Strain Gauges: Effect of the Stress Normal to the Grid

Embedded Strain Gauges: Effect of the Stress Normal to the Grid

A Static Experimental Stress Analysis of a Single Plateau of the Geomedic® Knee Joint Using Embedded Strain Gauges

Miniature embedded prognostic probe

Contact Info

Product

Resources

About