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<dc:title xml:lang="pl"><![CDATA[Prognostic Assessment of Symmetric Perpendicular Edge Cracks on the Vibration Characteristics of Orthotropic Cantilever Composite Plates]]></dc:title>
<dc:creator><![CDATA[Hasan, Iesam J.]]></dc:creator>
<dc:creator><![CDATA[Othman, Tahseen Taha]]></dc:creator>
<dc:subject xml:lang="pl"><![CDATA[orthotropic composite]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[edge cracks]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[cantilever plates]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[modal analysis]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[natural frequencies]]></dc:subject>
<dc:description xml:lang="pl"><![CDATA[This study investigates the free vibration characteristics of orthotropic cantilever composite plate containing symmetric double edge cracks. A detailed finite element analysis (FEA) was conducted in ANSYS APDL to investigate the influence of crack length (a/W=0 0.04) and crack location (x_c/L=0-0.75) on the first six natural frequencies. The results show a consistent frequency reduction with increasing crack length and proximity to the clamped edge, while higher-order modes display greater sensitivity due to localized strain energy near the cracks.]]></dc:description>
<dc:description xml:lang="pl"><![CDATA[A semi-empirical relation was also developed to predict frequency degradation based on crack geometry and position, achieving excellent agreement with numerical data (R^2>0.99). The findings provide a concise framework for vibration-based damage detection and structural health monitoring (SHM) of orthotropic composite structures. Unlike previous works that primarily examined single-edge or isotropic configurations, this study uniquely quantifies the coupled influence of symmetric double-edge cracks in orthotropic cantilever plates, thereby extending the understanding of multi-crack interaction effects in composite dynamics.]]></dc:description>
<dc:publisher><![CDATA[Zielona Góra: Uniwersytet Zielonogórski]]></dc:publisher>
<dc:contributor><![CDATA[Jurczak, Paweł - red.]]></dc:contributor>
<dc:date><![CDATA[2026]]></dc:date>
<dc:type xml:lang="pl"><![CDATA[artykuł]]></dc:type>
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<dc:identifier><![CDATA[http://zbc.uz.zgora.pl/Content/97618/Volume31_Issue2_paper_02.pdf]]></dc:identifier>
<dc:identifier><![CDATA[https://zbc.uz.zgora.pl/dlibra/publication/109389/edition/97618/content]]></dc:identifier>
<dc:identifier><![CDATA[oai:zbc.uz.zgora.pl:97618]]></dc:identifier>
<dc:source xml:lang="pl"><![CDATA[IJAME, volume 31, number 2 (2026)]]></dc:source>
<dc:language><![CDATA[eng]]></dc:language>
<dc:relation><![CDATA[oai:zbc.uz.zgora.pl:publication:109389]]></dc:relation>
<dc:rights xml:lang="pl"><![CDATA[Biblioteka Uniwersytetu Zielonogórskiego]]></dc:rights>
<dc:rights xml:lang="pl"><![CDATA[CC 4.0]]></dc:rights>
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