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				<datestamp>2021-11-26T07:19:01Z</datestamp>
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<article xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="https://jats.nlm.nih.gov/publishing/1.1/" xml:lang="ru" article-type="research-article" dtd-version="1.1" specific-use="eps-0.1">
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				<journal-id journal-id-type="publisher-id">asa</journal-id><journal-title-group>
			<journal-title xml:lang="ru">Строительство и техногенная безопасность</journal-title></journal-title-group>			<issn pub-type="ppub">2413-1873</issn>			<publisher><publisher-name>КФУ им. В.И. Вернадского</publisher-name></publisher>
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			<article-id pub-id-type="doi">10.37279/2413-1873-2021-22-101-110</article-id><article-id pub-id-type="publisher-id">140</article-id>
			<article-categories><subj-group xml:lang="en"><subject>Engineering support</subject></subj-group><subj-group xml:lang="ru"><subject>Инженерное обеспечение</subject></subj-group></article-categories>
			<title-group><article-title xml:lang="ru">МОДЕЛИРОВАНИЕ КРИВЫХ 2-ГО ПОРЯДКА И ПОВЕРХНОСТЕЙ ОБОЛОЧЕК ИНЖЕНЕРНЫХ СООРУЖЕНИЙ НА ИХ ОСНОВЕ</article-title><trans-title-group xml:lang="en"><trans-title>MODELING OF THE 2ND ORDER CURVES AND SURFACES OF ENGINEERING STRUCTURES SHELLS BASED ON THEIR BASIS</trans-title></trans-title-group></title-group>
			<contrib-group content-type="author">
				<contrib contrib-type="author">
<name-alternatives>					<name>
						<surname>Конопацкий</surname>
						<given-names>Е. В.</given-names>
					</name>
					<name xml:lang="en">
						<surname>Konopatskiy</surname>
						<given-names>E. V.</given-names>
					</name>
</name-alternatives>					<xref ref-type="aff" rid="aff-1"/>
				</contrib>
				<contrib contrib-type="author">
<name-alternatives>					<name>
						<surname>Воронова</surname>
						<given-names>О. С.</given-names>
					</name>
					<name xml:lang="en">
						<surname>Voronova</surname>
						<given-names>O. S.</given-names>
					</name>
</name-alternatives>					<xref ref-type="aff" rid="aff-2"/>
				</contrib>
				<contrib contrib-type="author">
<name-alternatives>					<name>
						<surname>Ротков</surname>
						<given-names>С. И.</given-names>
					</name>
					<name xml:lang="en">
						<surname>Rotkov</surname>
						<given-names>S. I.</given-names>
					</name>
</name-alternatives>					<xref ref-type="aff" rid="aff-3"/>
				</contrib>
				<contrib contrib-type="author">
<name-alternatives>					<name>
						<surname>Лагунова</surname>
						<given-names>М. В.</given-names>
					</name>
					<name xml:lang="en">
						<surname>Lagunova</surname>
						<given-names>M. V.</given-names>
					</name>
</name-alternatives>					<xref ref-type="aff" rid="aff-4"/>
				</contrib>
				<contrib contrib-type="author">
<name-alternatives>					<name>
						<surname>Бездитный</surname>
						<given-names>А. А.</given-names>
					</name>
					<name xml:lang="en">
						<surname>Bezditnyi</surname>
						<given-names>A. A.</given-names>
					</name>
</name-alternatives>					<xref ref-type="aff" rid="aff-5"/>
				</contrib>
			</contrib-group>
			<aff id="aff-1">
			<institution content-type="orgname">Донбасская национальная академия строительства и архитектуры</institution>
			<institution content-type="orgname" xml:lang="en">Donbas national Academy of civil engineering and architecture</institution>
			</aff>
			<aff id="aff-2">
			<institution content-type="orgname">Донбасская национальная академия строительства и архитектуры</institution>
			<institution content-type="orgname" xml:lang="en">Donbas national Academy of civil engineering and architecture</institution>
			</aff>
			<aff id="aff-3">
			<institution content-type="orgname">Нижегородский государственный архитектурно-строительный университет</institution>
			<institution content-type="orgname" xml:lang="en">Nizhny Novgorod State University of Architecture and Civil Engineering</institution>
			</aff>
			<aff id="aff-4">
			<institution content-type="orgname">Нижегородский государственный архитектурно-строительный университет</institution>
			<institution content-type="orgname" xml:lang="en">Nizhny Novgorod State University of Architecture and Civil Engineering</institution>
			</aff>
			<aff id="aff-5">
			<institution content-type="orgname">Севастопольский филиал ФГБОУВО «Российский экономический университет имени Г.В. Плеханова»</institution>
			<institution content-type="orgname" xml:lang="en">Sevastopol branch of «Plekhanov Russian University of Economics»</institution>
			</aff>
			<pub-date date-type="pub" publication-format="electronic">
				<day>26</day>
				<month>11</month>
				<year>2021</year>
			</pub-date>
				<issue seq="6">22(74)</issue><issue-id>70</issue-id><fpage>101</fpage>
				<lpage>110</lpage>
			<permissions>
				<copyright-statement>Copyright (c) 2021 Строительство и техногенная безопасность</copyright-statement>
				<copyright-year>2021</copyright-year>
				<copyright-holder>Строительство и техногенная безопасность</copyright-holder>
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			<self-uri>https://www.stroyjurnal-asa.ru/index.php/asa/article/view/140</self-uri>
			<abstract><p>В работе описан пример моделирования дуги кривой 2-го порядка с помощью инженерного дискриминанта и её аналитическое описание на основе графического алгоритма построения кривой в точечном исчислении. Приведены примеры моделирования поверхностей оболочек инженерных сооружений на эллиптическом и прямоугольном плане. Методы исследований включают геометрические алгоритмы моделирования кривых 2-го порядка, проходящих через 3 наперёд заданные точки и имеющих касательные в начальной и конечной точках, и поверхностей оболочек на их основе; аналитического определение дуг кривых и отсеков поверхностей с помощью математического аппарата точечное исчисление в заданной параметризации и с учётом всех наперёд заданных геометрических условий. Такой подход может найти широкое распространение в практике моделирования оболочек инженерных сооружений различного технического назначения. Он позволяет проектировщику подобрать наилучшую кривизну поверхности оболочки, которая будет обладать необходимыми прочностными характеристиками, технической эстетичностью и художественной выразительностью. Также предусмотрена возможность разбиения поверхности оболочки на конечные элементы заданного количества для исследования напряженно-деформированного состояния оболочки под действием различных нагрузок в системах конечно-элементного анализа.</p></abstract><trans-abstract xml:lang="en"><p>The paper describes an example of modeling an arc of a 2nd order curve using an engineering discriminant and its analytical description based on a graphical algorithm for constructing a curve in point calculus. Examples of modeling the surfaces of engineering structures shells on an elliptical and rectangular plan are given. Research methods include geometric algorithms: modeling of 2nd order curves passing through 3 predetermined points in advance and having tangents at the start and end points, and shell surfaces based on them; analytical definition of curves arcs and sections of surfaces using the mathematical apparatus point calculation in a given parametrization and taking into account all predetermined geometric conditions. This approach can be widely used in the practice of modeling the shells of engineering structures for various technical purposes. It allows the designer to choose the best curvature of the shell surface, which will have the necessary strength characteristics, technical aesthetics and artistic expressiveness. The possibility of dividing the surface of the shell into finite elements of a given amount is also provided for studying the stress-strain state of the shell under the action of various loads in the systems of finite element analysis.</p></trans-abstract><kwd-group xml:lang="en"><title>Keywords</title><kwd>2nd order curve</kwd><kwd>geometric modeling</kwd><kwd>shell surface</kwd><kwd>engineering discriminant</kwd><kwd>curve parametrization</kwd><kwd>surface parametrization</kwd><kwd>point calculus</kwd></kwd-group><kwd-group xml:lang="ru"><title>Ключевые слова</title><kwd>кривая 2-го порядка</kwd><kwd>геометрическое моделирование</kwd><kwd>поверхность оболочки</kwd><kwd>инженерный дискриминант</kwd><kwd>параметризация кривой</kwd><kwd>параметризация поверхности</kwd><kwd>точечное исчисление</kwd></kwd-group><counts><page-count count="10"/></counts>
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	<body><p>полный текст на сайте stroyjurnal-asa.ru</p></body>
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