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Short‐Period Nonlinear Viscoelastic Memory of Rocks Revealed by Copropagating Longitudinal Acoustic Waves

机译:短期非线性粘弹性存储器的岩石透露,通过共同纵向声波透露

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Abstract >We describe a new sensitive acoustic method to measure nonlinear viscoelastic properties of rocks directly in the time domain. Unlike static stress‐strain measurements, or dynamic acousto‐elastic methods that use steady state resonance to load a strain field into a rock, our method uses two copropagating longitudinal acoustic waves, one to perturb the strain in the sample and the other to probe the effect of that strain. Experiments on Crab Orchard Sandstone and Lucite samples are presented. We evaluate the time‐dependent nonlinear effects and find strong evidence that rocks have a short‐period nonlinear viscoelastic memory that is a function of the time history of the loaded strain. We develop a phenomenological model to describe both this nonlinear viscoelastic memory and the nonlinear elastic behavior of rock. Our model shows that the viscoelastic memory is controlled by both the traditional nonlinear elastic coefficients and a memory strength parameter. These new observations and methods have significance for quantifying changes in microstructure. This short‐term memory effect, on the order of a small fraction of a cycle, is shown to be related through viscoelasticity to absorption in the sample. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译:</span><Abstract Type =“main”XML:Lang =“en”> <标题类型=“main”>抽象</ title> >我们描述了一种新的敏感声学方法,可直接在时域中测量岩石的非线性粘弹性特性。与静态应力测量或使用稳态共振的动态声学 - 弹性方法不同,使用稳态共振将应变场加载到岩石中,我们的方法使用两个共产纵向声波,一个用于扰乱样品中的应变,另一个探测器探测这种菌株的影响。提出了蟹果园砂岩和露酸样品的实验。我们评估时间依赖的非线性效果,并找到强大的证据,即岩石具有短时间非线性粘弹性存储器,其是负载应变的时间历史的函数。我们开发一种现象学模型来描述这种非线性粘弹性记忆和岩石的非线性弹性行为。我们的模型表明,粘弹性存储器由传统的非线性弹性系数和存储器强度参数控制。这些新的观测和方法对量化微观结构的变化具有重要意义。这种短期记忆效应,大部分循环的顺序显示通过粘弹性与样品中的吸收有关。</ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-34677/'>《Journal of geophysical research. Solid earth: JGR》</a> <b style="margin: 0 2px;">|</b><span>2018年第5期</span><b style="margin: 0 2px;">|</b><span>共14页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Feng Xuan&option=202" target="_blank" rel="nofollow">Feng Xuan;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Fehler Michael&option=202" target="_blank" rel="nofollow">Fehler Michael;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Brown Stephen&option=202" target="_blank" rel="nofollow">Brown Stephen;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Szabo Thomas L.&option=202" target="_blank" rel="nofollow">Szabo Thomas L.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Burns Daniel&option=202" target="_blank" rel="nofollow">Burns Daniel;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>College of Geo‐Exploration Science and TechnologyJilin UniversityChangchun China;</p> <p>Earth Resources LaboratoryMassachusetts Institute of TechnologyCambridge MA USA;</p> <p>Earth Resources LaboratoryMassachusetts Institute of TechnologyCambridge MA USA;</p> <p>Biomedical Engineering DepartmentBoston UniversityBoston MA USA;</p> <p>Earth Resources LaboratoryMassachusetts Institute of TechnologyCambridge MA USA;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/163.html" title="地球物理学">地球物理学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=rock memory&option=203" rel="nofollow">rock memory;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=wave propagation&option=203" rel="nofollow">wave propagation;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=nonlinear acoustic&option=203" rel="nofollow">nonlinear acoustic;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=viscoelastic&option=203" rel="nofollow">viscoelastic;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=hysteresis&option=203" rel="nofollow">hysteresis;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=attenuation&option=203" rel="nofollow">attenuation;</a> </p> <div class="translation"> 机译:岩石记忆;波传播;非线性声学;粘弹性;滞后;衰减; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704025592919.html">Short‐Period Nonlinear Viscoelastic Memory of Rocks Revealed by Copropagating Longitudinal Acoustic Waves</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Feng Xuan&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Feng Xuan,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Fehler Michael&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Fehler Michael,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Brown Stephen&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Brown Stephen,</a> <a href="/journal-foreign-34677/" target="_blank" rel="nofollow" class="tuijian_authcolor">Journal of geophysical research. 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href="/patent-detail/06120101969877.html">向Web应用透露资源能力</a> <b>[P]</b> . <span> 中国专利: CN103168301A </span> <span> . 2013-06-19</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130424199930.html">Acoustic enclosure for emitting acoustic waves, has viscoelastic membrane displaced under action of wavy excitation to attenuate stationary acoustic wave created by cavity, at or around resonance frequency</a> <b>[P]</b> . <span> 外国专利: <!-- 法国专利: --> FR2955731A1 </span> <span> . 2011-07-29</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译:用于发出声波的隔音罩,具有在波浪激励作用下位移的粘弹性膜,以衰减谐振频率或谐振频率附近由空腔产生的固定声波 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130419093874.html">Device for limiting propagation of acoustic waves emitted by e.g. engine into cavity of longitudinal member of car, has screen 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