Interaction of bursts in exponentially graded materials characterized by parametric plots

Ravasoo, Arvi

doi:10.1016/j.wavemoti.2014.01.006

Cited by 4 publications

(3 citation statements)

References 19 publications

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“…First, wave-wave interaction in prestressed or inhomogeneous solids permits to solve the inverse NDT problems. Such algorithms, based on perturbation method and Laplace transform technique, have been elaborated for acoustodiagnostics [51,52]. Second, for field-field interaction in solids, spectral methods in photoelasticity have been proposed based on the tensor tomography and on the hybrid method which combines experimental results with analytics [4,5].…”

Section: Methodsmentioning

confidence: 99%

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Complexity in engineering and natural sciences

Engelbrecht¹

2015

Proc. Estonian Acad. Sci.

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An overview is presented on interdisciplinary studies into complexity of wave processes with the main attention to wave-wave, field-field, wave-internal structure a.o. interactions. The nonlinearity of these processes creates specific physical phenomena as a result of interactions. The basic assumptions of modelling, main hypotheses adopted and resulting governing equations are presented. Due to complexity of processes, numerical methods are mainly used for the analysis. However, in many cases the methods (the finite volume method, the pseudospectral method) must be modified in order to guarantee the accuracy and stability of solutions. The spectrum of problems modelled and analysed is wide including dynamical processes in solids, fluids and tissues.

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Section: Methodsmentioning

confidence: 99%

“…Nevertheless in many cases these parameters are space-dependent. Bearing in mind nondestructive testing (NDT) for determining the prestress or material inhomogeneous properties, several mathematical models are derived in [12,52].…”

Section: Wavesmentioning

confidence: 99%

Complexity in engineering and natural sciences

Engelbrecht¹

2015

Proc. Estonian Acad. Sci.

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“…Industrial revolution 2.0 dirangsang oleh dua teori yaitu teori Maxwell dan Faraday yang menggabungkan kekuatan magnetik dan listrik. Kedua teori ini melahirkan motor listrik dan pembangkit listrik sehingga memainkan peran penting dalam jalur perakitan skala besar (Ravasoo, 2014).…”

Section: Hasil Dan Pembahasan Sejarah Revolusi Industri 40unclassified

Penyelenggaraan Pembelajaran Ipa Berbasis Pendekatan Stem Dalam Menyongsong Era Revolusi Industri 4.0

Wicaksono

2020

LENSA

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Pendidikan berbasis revolusi industri 4.0 memerlukan alternatif solusi yang membuat lembaga pendidikan harus selalu memadukan metode inovatif untuk meningkatkan pengajaran dan pembelajaran. Tujuan dari penelitian ini adalah untuk menganalisis aspek-aspek penunjang pembelajaran IPA serta cara mengimplementasikannya dalam menyongsong era revolusi industri 4.0. Metode Penelitian ini mengunakan metode library research. Hasil penelitian ini adalah (1) aspek-aspek penunjang dalam pembelajaran IPA yang memenuhi tuntutan revolusi industri 4.0 adalah menggunakan model pembelajaran inovatif berbasis masalah/proyek, menggunakan pendekatan yang melibatkan unsur sains, teknologi, dan masyarakat, serta dapat meningkatkan keterampilan abad 21 antara lain berpikir kritis, pemecahan masalah, dan kreativitas; dan (2) Implementasi pembelajaran IPA berbasis project based learning yang dikombinasikan dengan pendekatan STEM adalah contoh implementasi teknologi ramah lingkungan yang dapat meningkatkan kreativitas peserta didik dalam mengelola limbah sebagai sumber energi baru terbarukan.

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