A numerical-analytic method of studying the dispersion of elastic waves in a fixed orthotropic cylinder with a simply connected curvilinear section

1997 ◽  
Vol 84 (6) ◽  
pp. 1533-1535
Author(s):  
V. I. Storozhev
Keyword(s):  
Elastic Waves ◽  
Analytic Method ◽  
Orthotropic Cylinder ◽  
Simply Connected

Remarks on nonlinear elastic waves with null conditions

2020 ◽  
Vol 26 ◽  
pp. 121
Author(s):  
Dongbing Zha ◽  
Weimin Peng
Keyword(s):  
Initial Data ◽  
Global Existence ◽  
Elastic Waves ◽  
Wave Equations ◽  
Alternative Proof ◽  
Classical Solutions ◽  
Small Initial Data ◽  
Hyperelastic Materials ◽  
Variational Structure ◽  
Nonlinear Elastic

For the Cauchy problem of nonlinear elastic wave equations for 3D isotropic, homogeneous and hyperelastic materials with null conditions, global existence of classical solutions with small initial data was proved in R. Agemi (Invent. Math. 142 (2000) 225–250) and T. C. Sideris (Ann. Math. 151 (2000) 849–874) independently. In this paper, we will give some remarks and an alternative proof for it. First, we give the explicit variational structure of nonlinear elastic waves. Thus we can identify whether materials satisfy the null condition by checking the stored energy function directly. Furthermore, by some careful analyses on the nonlinear structure, we show that the Helmholtz projection, which is usually considered to be ill-suited for nonlinear analysis, can be in fact used to show the global existence result. We also improve the amount of Sobolev regularity of initial data, which seems optimal in the framework of classical solutions.

TASYBIH DALAM KITAB QASHIDAH BURDAH KARYA SYAIKH MUHAMMAD IMAM AL BUSHIRI

2019 ◽  
Vol 2 (1) ◽  
pp. 18-59
Author(s):  
Saepul Iman ◽  
Deden Hidayat ◽  
Asep Supianudin
Keyword(s):  
Analytic Method ◽  
Science Approach ◽  
The Temple

Kitab Qashidah Burdah is a book authored by Shaykh Muhammad Al Bushiri. This Qashidah in the book tells the story of the story of the Prophet Muhammad, the Apostolic privileges, the Prophet Muhammad, to the miracle. In Verse-verse contained in the book of Qashidah is very beautiful Burdah. Therefore, the very need to be examined, beauty-beauty that exists on the Poetry Book. Qashidah Burdah by using the review Balaghoh Bayan Tasybih Science in particular. The problem in this research include what type of Tasybih in the book Qashidah Burdah works of Shaykh Muhammad Imam Al Bushiri?, and how Tasybih Purpose in the book Qashidah Burdah works of Shaykh Muhammad Imam Al Bushiri?. As for the purpose of this research is to know the type and purpose of Tasybih in the book Qashidah Burdah works of Shaykh Muhammad Imam Al Bushiri. To achieve that goal this research uses descriptive analytic method. Descriptive analytic method is done by means of descript the data in the form of a word or phrase containing Tasybih, then proceed with the analysis. This research uses the study of science science approach with Parrot Balaghah.  Conclusion of this research is that the Tasybih contained in the book of Qashidah Burdah works of Shaykh Muhammad Imam Al Bushiri 11 types of Tasybih, such as: Tasybih Mursal Mufashshal on get at 4 Temple of poetry, Tasybih Puberty in the get on 2 the Temple of poetry, Tasybih Mursal Mujmal Temple poems on 2, Tasybih Mufashshal Ghoiru Tamtsil Mursal at 2 Temple of poetry, Tasybih Muakkad Mufashshal at 2 Temple of poetry, Tasybih Mursal Mufashshal Tamtsil at 7 Tasybih poetry, Mursal Temple on Temple 5 poems Tasybih Mujmal Temple poems 1 Tasybih, Muakkad Mufashshal Tamtsil at 1 Temple of poetry, and Tasybih Muakkad Mujmal Maqlub 1 Temple, Tasybih Dhimny Temple on 12 verses. The purpose of Tasybih found in: Bayan musyabbah al things in 28 Temple of poetry, Bayan al imkan musyabbah in poetry, Tazyin Temple 3 al musyabbah in the 5th stanza poem, Mengongkritkan musyabbah Temple in three verses, and Bayan miqdar al musyabbah thing in 3 Temple poems

Investigating the Excitation of Elastic Waves in an Acoustic Waveguide

Vestnik MEI ◽  
2018 ◽  
Vol 2 (2) ◽  
pp. 129-134
Author(s):  
Andrey A. Kal’shchikov ◽  
Keyword(s):  
Elastic Waves ◽  
Acoustic Waveguide

Akulturasi Budaya pada Ornamen Eksterior Masjid Agung Jawa Tengah: Analisis Semiotik

Metahumaniora ◽  
2017 ◽  
Vol 7 (2) ◽  
pp. 40
Author(s):  
Panji Maulani
Keyword(s):  
Middle East ◽  
Middle Eastern ◽  
Field Research ◽  
Research Process ◽  
Analytic Method ◽  
Important Thing ◽  
Eastern Culture ◽  
Observational Measures ◽  
Central Java ◽  
Library Research

ABSTRAKProses penelitian ini dilakukan dengan melakukan penelitian lapangan danpenelitian kepustakaan. Analisis mendalam terkait akulturasi budaya pada arsitektur MasjidAgung Jawa Tengah didapat melalui penggunaan metode deskriptif-analitik dengan langkahlangkahobservatif. Langkah-langkah tersebut disesuaikan dengan sumber terkait, sehinggadata pada objek penelitian dapat dideskripsikan serta dianalisis dengan pendekatan budayadan arsitektur. Penelitian ini menjadi penting untuk dilakukan karena Masjid Agung JawaTengah memiliki ornamen eksterior yang sangat khas, berbeda dengan ornamen masjidraya-masjid raya lain di Indonesia, yang umumnya memiliki ornamen eksterior yang hanyaberakulturasi dengan budaya Timur Tengah. Pada Masjid Agung Jawa Tengah kita dapatmerasakan suasana seperti di masjid Nabawi dan suasana Colloseum di zaman Romawi.Terdapat 6 buah payung hidrolik seperti di masjid Nabawi dan gerbang Al-Qanathir yangmenyerupai Colloseum pada pelataran masjid akibat pembangunan Masjid Agung JawaTengah menggunakan paduan tiga unsur budaya: Jawa, Timur Tengah, dan Romawi.Kata kunci: akulturasi, ornamen, masjid agung, Jawa TengahABTRACTThe research process was conducted by field research and library research. Depthanalysis related to acculturation on the architecture of the Central Java Great Mosque obtainedusing descriptive-analytic method with observational measures. The steps are adapted to thecorresponding source, so that data on the research object can be described and analyzed withcultural and architectural approach. This research becomes important thing to do because ofthe Great Mosque of Central Java has a very distinctive exterior ornament, in contrast to theother great mosques in Indonesia, whose the exterior ornament is generally only acculturatedwith Middle Eastern culture. In Central Java Great Mosque we can feel the atmosphere likeat the Nabawi Mosque and the atmosphere of the Colosseum in Roman times. There are sixpieces of hydraulic umbrella like in Nabawi Mosque and Al-Qanathir gate that resembles theColosseum in the courtyard of the mosque as the result of the construction of the Central JavaGreat Mosque using a combination of three elements of culture: Java, Middle East, and Roman.Keywords: acculturation, ornament, grand mosque, Central Java

About features of ultrasonic measurements in coal samples using shear elastic waves

2020 ◽  
Vol 4 ◽  
pp. 117-126
Author(s):  
V.L. Skuratnik ◽  
◽  
P.V. Nikolenko ◽  
P.S. Anufrenkova ◽  
◽  
...  
Keyword(s):  
Elastic Waves ◽  
Ultrasonic Measurements
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