Analysis of the accuracy on computing nominal stress in a biaxial test for arteries

Cilla M.; Corral A. V.; Pe?a J. A.; Pe?a E.

摘要

Abstract >Biaxial tests are commonly used to investigate the mechanical behaviour of anisotropic soft biological tissues such as cardiovascular tissues. However, there is still no clear understanding of the influence that the biaxial test set‐up conditions may have on the computing material stress of the experimental results. The aim of the present study is to further investigate the accuracy of calculated material stress from measured force during biaxial tests using finite element methods (FEM). The biaxial mechanical response of ascending aorta and pulmonary artery tissue samples was obtained by FEM simulation under two different gripping methods: (a) a system with noodle clamps and (b) a clamped system with needles which leave the specimen's edges free to expand laterally. >The results show that the clamped method whose joints allow free movement in the lateral direction produces stresses closer to the universally accepted formulation of biaxial material stress in the central region. However, the system with noodle clamps, commonly used to grip the sample, produces an alteration of the measurement stresses. Our simulations show results giving an inaccurate estimation of the stress at the centre of the sample. In some cases, the stresses are overestimated and in others underestimated depending on the anisotropy of the sample. We can conclude that the clamped system with needles which leave the specimen's edges free to expand laterally should be used as an efficient methodology to other commonly used gripping methods for biological tissues with anisotropic materials. </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”XML：ID =“str12331-abs-abs-0001”> <标题类型=“main”>抽象</ title> 双轴试验通常用于研究各向异性软生物组织如心血管组织的力学行为。然而，仍然没有明确了解双轴试验设置条件可能对实验结果的计算材料应力的影响。本研究的目的是进一步研究使用有限元方法（FEM）在双轴试验期间从测量力的计算的材料应力的准确性。通过在两种不同的夹持方法下通过有限元模拟获得升高主动脉和肺动脉组织样品的双轴机械响应：（a）用面条夹具的系统和（b）具有针的夹紧系统，其使样品的边缘可自由地横向膨胀。 </ p> 结果表明，其关节允许在横向方向上允许自由运动的夹紧方法产生更靠近中心区域的普遍接受的双轴材料应力的普遍接受的制剂。然而，具有面部夹具的系统通常用于抓住样品，产生测量应力的改变。我们的模拟显示出导致对样品中心的应力估计不准确。在某些情况下，应估量应过度曝光，并且根据样品的各向异性低估。我们可以得出结论，带有针刺横向膨胀的针头的夹紧系统应该用作具有各向异性材料的生物组织的其他常用夹持方法的有效方法。</ 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-28616/'>《Strain》</a> <b style="margin: 0 2px;">|</b><span>2020年第1期</span><b style="margin: 0 2px;">|</b><span>共13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=Cilla M.&option=202" target="_blank" rel="nofollow">Cilla M.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Corral A. V.&option=202" target="_blank" rel="nofollow">Corral A. V.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Pe?a J. A.&option=202" target="_blank" rel="nofollow">Pe?a J. A.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Pe?a E.&option=202" target="_blank" rel="nofollow">Pe?a E.;</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>Aragón Institute of Engineering Research (I3A)University of ZaragozaZaragoza Spain;</p> <p>Aragón Institute of Engineering Research (I3A)University of ZaragozaZaragoza Spain;</p> <p>Aragón Institute of Engineering Research (I3A)University of ZaragozaZaragoza Spain;</p> <p>Aragón Institute of Engineering Research (I3A)University of ZaragozaZaragoza Spain;</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/1674.html" title="工程基础科学">工程基础科学;</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=ascending aorta artery&option=203" rel="nofollow">ascending aorta artery;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=constitutive modelling&option=203" rel="nofollow">constitutive modelling;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=hyperelastic material&option=203" rel="nofollow">hyperelastic material;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=pulmonary artery&option=203" rel="nofollow">pulmonary artery;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=uniaxial and biaxial testing&option=203" rel="nofollow">uniaxial and biaxial testing;</a> </p> <div class="translation"> 机译：上行主动脉动脉;本构型建模;超弹性材料;肺动脉;单轴和双轴测试; </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/0704024323128.html">Analysis of the accuracy on computing nominal stress in a biaxial test for arteries</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Cilla M.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Cilla M.,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Corral A. 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Sun,</a> <span>2016</span> </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：心肌变形之间P235Relation通过三维斑点追踪分析，在患者全身hypertensionP236Obstructive睡眠呼吸暂停的高血压和功能的能力控制是经常根据公认在急性心肌梗死，但通常有助于左室舒张dysfunctionP237Intrinsic左心室功能紊乱中白塞氏病与全身性疾病的活性的比较：用于预毛细管的从植入装置和电极数目的毛细血管后肺hypertensionP240The巧合的分化与存在的两个新的超声心动图参数单和双pregnancyP239Proposal期间从斑点追踪echocardiographyP238Echocardiography变化的见解静脉引线后残留的纤维组织提取评估了超声心动图examP241Hemoglobin是绝经后妇女的左心室肥厚的独立预测因素，但不是在premen opausal womenP242Left心室纵向变形损害牛皮癣患者与免疫联activationP243Impaired舒张功能和左心房机械功能患者的心脏和血管功能继发于胰岛素的维生素-d deficiencyP244Modification resistanceP245Impaired右心室功能是不相关的血清半乳凝素3浓度患者右心室（RV）的纵向功能fallotP246Age调整指标的修复四部曲没有充分反映在冠状动脉diseaseP248A追溯血流储备分数和多巴酚丁胺超声心动图之间修复先天性心脏缺陷和RV容积overloadP247Relationship全球儿童RV收缩在术前评估核试验对应力回声的阴性预测值进行可行myocard的实体器官transplantionP249The检测患者的观察对比研究鎓通过多巴酚丁胺斑点跟踪超声心动图在患者的心脏衰竭锻炼期间冠状动脉diseaseP250VO2压扁：证据为一个组合的低心输出量和低效率的O2 extractionP251在心脏衰竭患者运动超声心动图中肺泡 - 毛细血管屏障的动态评估具有降低的喷射对心脏功能的运动锻炼的运动负荷超声过程中患者fractionP252The影响2型糖尿病患者和表面健康受试者的群体在心血管riskP254Difference在功能性二尖瓣返流的semisupine测力计和手柄之间的变化舒张dysfunctionP253Age相关的最大运动O2提取差异环大小的exerciseP255Correlation由回波2D评估，3d和多排的患者正在接受经导管主动脉瓣implantationP256Mitral环动力学计算机断层：从正常到广泛mixomatous疾病三dimensi Onal地区食道studyP257Left心耳闭合：视在左心室功能，质量和（UN）捻基于导管的肾去神经支配的55 casesP258Effect的在外周血单核细胞和左侧的微小RNA基因表达的二维散斑跟踪echocardiographyP259Associations回波点心室全球纵向应变峰值在原发性高血压患者</span> </p> </li> <li> <div> <b>8. </b><a class="enjiyixqcontent" href="/ntis-science-report_ad_thesis/020711989247.html">Stress Analysis of a 4-Inch Diameter Pressure Vessel During a 1:1 Biaxial Burst Test</a> <b>[R] </b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=McIver, R. 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href="/academic-journal-cn_china-health-standard-management_thesis/0201279938226.html">直接细菌鉴定与药敏试验法在临床血液检验中的敏感性、准确性分析</a> <b>[J]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=宋广赜&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 宋广赜</a> <span> <a href="/journal-cn-6689/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 中国卫生标准管理 </a> </span> <span> . 2020</span><span>,第015期</span> </span> </div> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/academic-journal-cn_chinese-journal-evidence-based-cardiovascular-medicine_thesis/0201232184320.html">Meta-Test软件在诊断准确性试验Meta分析中运用</a> <b>[J]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=陶圆&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 陶圆</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=孙艳玲&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,孙艳玲</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=何倩&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,何倩</a> <span> <a href="/journal-cn-6015/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 中国循证心血管医学杂志 </a> </span> <span> . 2016</span><span>,第006期</span> </span> </div> </li> <li> <div> <b>6. </b><a class="enjiyixqcontent" href="/academic-conference-cn_meeting-10771_thesis/02022202882.html">320排容积CT冠状动脉血管成像辐射剂量和诊断准确性的初步研究：与64排螺旋CT的对比分析</a> <b>[C]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=罗竹人&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 罗竹人</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=张同&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,张同</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=申宝忠&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,申宝忠</a> <span> <a href="/conference-cn-10771/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 中国医学影像技术研究会第七次全国会员代表大会暨第二十五次学术大会 </a> <span> <span> . 2011</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020312446361.html">高剂量率铱192放射源标称活度准确性的研究</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=刘宝喜&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 刘宝喜</a> <span> . 2018</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120105034799.html">用于由整流器变换器馈电的旋转磁场电机中的定子电流目标值标称值和扭矩目标值标称值的受控应用方法</a> <b>[P]</b> . <span> 中国专利： CN1833355A </span> <span> . 2006-09-13</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/061201676815.html">一种提高断路器开断试验数据分析准确性的方法</a> <b>[P]</b> . <span> 中国专利： CN103207369B </span> <span> . 2015.06.24</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130473906997.html">Method and device for producing in specimens or the like superimposed normal stress, biaxial and non-biaxial shear stress, or optional superimposed normal stress and biaxial shear stress, superimposed normal stress and non-biaxial shear stress, superimposed biaxial and non-biaxial shear stress, pure normal stress, biaxial shear stress or non-biaxial shear stress</a> <b>[P]</b> . <span> 外国专利：  DE3226148A1 </span> <span> . 1984-01-19</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：在样品等中产生叠加法向应力，双轴和非双轴剪切应力，或可选叠加法向应力和双轴剪切应力，叠加法向应力和非双轴剪切应力，叠加双轴和非双轴剪切应力的方法和装置，纯正应力，双轴剪应力或非双轴剪应力 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130408937669.html">METHOD FOR MEASURING APPLIED OR RESIDUAL UNIAXIAL AND BIAXIAL NOMINAL STRESSES ON A PART BY MEANS OF THE POISSON RATIO DETERMINED BY MEANS OF ULTRASOUND</a> <b>[P]</b> . <span> 外国专利：  WO2017063098A1 </span> <span> . 2017-04-20</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：用超声法确定泊松比的方法测量零件上施加的或残余的单轴和双轴名义应力的方法 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130402245796.html">Cortisol analysis sensor, cortisol analysis method, stress evaluation reagent, stress evaluation method, test reagent for cortisol-related disease, and method for testing morbidity of cortisol-related disease</a> <b>[P]</b> . <span> 外国专利：  JP6642859B2 </span> <span> . 2020-02-12</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> 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