Finite element applications in the characterization of elastic solids

Kavanagh, Kenneth; Clough, Ray W.

doi:10.1016/0020-7683(71)90015-1

Cited by 228 publications

(134 citation statements)

References 2 publications

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“…Finite Element Model Updating (or FEMU) is the most widely utilized identification technique [12], [16]. It consists usually of an iterative method that relies on the comparison of the measured and computed loads and/or displacement.…”

Section: Inverse Analysis: Femu Methodsmentioning

confidence: 99%

History effect on squeal with a mesoscopic approach to friction materials

Magnier

Ramasami

Brunel

et al. 2017

Tribology International

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Friction pads are made by a recipe of numerous components leading to a heterogeneous material. The originality of this paper is firstly to propose a method leading to identify local mechanical properties of friction a pad, performed at different locations, via an indentation test. Secondly, the mechanical properties obtained for each location are introduced in a modeling to perform a complex modal analysis. A comparison with an equivalent homogeneous friction pad is performed to highlight the difference. Finally, the previous approach is extended to other friction pads which have been submitted to the same test sequence but interrupted at different times to investigate the history effect.

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Section: Inverse Analysis: Femu Methodsmentioning

confidence: 99%

History effect on squeal with a mesoscopic approach to friction materials

Magnier

Ramasami

Brunel

et al. 2017

Tribology International

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“…One can distinguish between direct identification techniques like the Constitutive Equation Gap Method, the Reciprocity Gap Method, the Equilibrium Gap Method, the Virtual Field Method (see [2] for an overview) and Finite Element Model Updating based approaches. The latter was first proposed in [3].…”

Section: Introductionmentioning

confidence: 99%

Multiscale digital image identiﬁcation of heterogeneous elastic properties of softwoods

Réthoré

Simon

Maigre

2010

EPJ Web of Conferences

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Abstract. Multi-scale modelling of materials is now widely spread as it allows for a comprehensive analysis of their behaviour. The idea of this paper is to propose a methodology that couples Digital Images Correlation with multi-scale numerical simulations in order to identify a material behaviour that is too complex to obtain at the observation scale but that can be described in a simpler way at a finer scale. For this purpose, a Mechanical Image Correlation approach is proposed that involves a multi-scale numerical model. The capabilities of the proposed method is illustrated based on an example dedicated to the identification of heterogeneous orthotropic elastic properties of softwood.

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“…This method was put forward in 1971 by K. T. Kavanagh and R. W. Clough [32]. Due to the maneuverability and reliability of the displacement measurement, in recent years the displacement back analysis method is applied widely in the field of geotechnical engineering [33][34][35][36][37].…”

Section: Displacement Back Analysis Of the Value Of Mmentioning

confidence: 99%

Horizontal Bearing Test and Optimization of m Value for Precast Piles in Alluvium Stratum of the Yellow River

Lyu

Chen

Zhao

et al. 2018

Mathematical Problems in Engineering

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For a pile foundation design, the value of proportional coefficient m to define the soil horizontal resist force is a significant parameter. However, different geological conditions and experimental environment have led to different m values. In this paper, an in situ test is firstly carried out on the horizontal bearing capacity of large-size precast square-piles. The piles deformation is then derived by using the optimization method from the measured data. Secondly a back analysis model is established to calculate the m value by using the simplex method, which reveals the evolution rule of the value of proportional coefficient m. Results show that the horizontal bearing characteristics of precast piles depend on the interaction force of piles and soils. The action mechanism of the soils around the piles is gradually developed with the increase in the concrete content. The horizontal critical load and the Eigenvalue of horizontal bearing capacity increased by 16.7% and 20%, respectively. It is also seen that the higher the content of the cement-soil around the piles and the longer the pile length, the bigger the m value obtained. The variation of the proportional coefficient m with the horizontal displacement of pile top is defined by three stages: rapid decaying stage, slow decaying stage, and balanced stage, respectively. The inverse analysis method on the proposed m value can accurately reflect the actual working state of piles and soils. In the depth of 3∼18m in the west of Ji'nan, the range of m value is recommended as 4∼6.58 MN⋅m −4 . When Δ takes 12mm, the values of m are consistent with the result from the back analysis. In summary, the obtained m value can be effectively used to guide the design of enclosure structure in the super deep foundation pit in the Yellow River alluvial stratum.

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Finite element applications in the characterization of elastic solids

Cited by 228 publications

References 2 publications

History effect on squeal with a mesoscopic approach to friction materials

History effect on squeal with a mesoscopic approach to friction materials

Multiscale digital image identiﬁcation of heterogeneous elastic properties of softwoods

Horizontal Bearing Test and Optimization of m Value for Precast Piles in Alluvium Stratum of the Yellow River

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