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التشبيه المحتمل هو ذلك مع العشروني المبتور(Truncated icosahedron). علما بأن العشروني المقطوع هو متعدد وجوه مكون من 32 شكلا: 20 سداسي و 12 خماسي.
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Clathrus ruber |
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العشروني المبتور |
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Clathrus ruber |
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العشروني المبتور |
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تعبئة قبة كروية بدوائر متماسة لبعضها البعض، حول المحور العمودي الرئيسي لـلقبة نفسها A packing of circles on a spherical dome k, constructed around the main vertical axis of k |
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Classical cyclid surface built on the sphere
تُظهر الصورة المرفقة سطح من أربعة سطوح دويرية مبنية على كرة. وهي تشكل السطح الغلافي الناتج عن التحويل الإسقاطي لثلاث كرات. The attached image shows one of the four generated cyclides, constructed on the sphere. It represents the envelope surface resulting from the projective transformation of the three previously mentioned spheres. https://isawi.blogspot.com/2024/01/blog-post_26.html L'immagine allegata mostra una delle quattro ciclidi ottenute, costruita sulla sfera. Essa costituisce la superficie di inviluppo generata dalla trasformazione proiettiva delle tre sfere precedentemente menzionate |
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منظور من الأعلى لحجم كروي مغطى بسلسلة قطبية من الأسطح القنوية الحلزونية The model illustrates a polar series of a helical channel surface that covers a spherical volume. Il modello illustra una serie polare di una superficie canale elicoidale che ricopre un volume sferico. https://isawi.blogspot.com/2024/01/blog-post_26.html Date 17 May 2025 |
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Polyhedral Approximation of a Generic Two‑Sheet Hyperboloid via a Projective Polar System, Showing Only One Sheet The image illustrates a polyhedral approximation method applied to one sheet of a generic two‑sheet hyperboloid k, based on the projective transformation of a generic polar system with respect to k. The surface is discretized into planar panels—octagons and quadrilaterals—whose sizes and orientations are determined by the polar system configuration and the positions of points P and Q along the generation axis d. This approach yields a mesh without predefined symmetries that faithfully reproduces the non‑ruled curvature of the hyperboloid تقريب متعدد السطوح لقطع زائد عام مكون من طيتين عبر التحويل الاسقاطي https://isawi.blogspot.com/2024/01/blog-post_26.html Approssimazione poliedrica di un iperboloide a due falde generico tramite sistema polare proiettivo, con visualizzazione di una sola falda L’immagine presenta un metodo di approssimazione poliedrica applicato a una falda di un iperboloide generico a due falde k, basato sulla trasformazione proiettiva di un sistema polare generico rispetto a k. La superficie viene discretizzata in pannelli planari — ottagoni e quadrilateri — le cui dimensioni e orientamenti sono determinati dalla configurazione del sistema polare e dalla posizione dei punti P e Q sull’asse di generazione d. L’approccio produce una mesh priva di simmetrie predefinite, in grado di riprodurre fedelmente la curvatura non‑ruled dell’iperboloide. |
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Approssimazione poliedrica di un ellissoide generico- https://i.pinimg.com/736x/33/e1/43/33e143dc0171bbecfd5014aea7fc7f36.jpg |
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bisogna classificare l'impacchettamento secondo l'esistenza della lente sferica |
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Asse tangente |
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Asse tangente Il paradosso stridente risiede nella grandezza degli edifici religiosi che si ergono imponenti, sordi al lamento delle viscere vuote |
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Asse tangente- trasformazioni di sfere tangenti tra loro |
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الاستعارة هي أن المباني السكنية ترص في مساحات صغيرة في المدن الكبيرة، كرص المشتريات بسرعة في كيس بلاستيكي. |
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polar series of surface helical channels around a sphere |
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دالة حلزونية |
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An architectural application of a polar series of interconnected biconcave toroidal surfaces. |
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حالة مماس لامركزية بين سطح اهليجي وآخر زائدي a case of eccentric tangency between an ellipsoid and a hyperboloid |
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una serie polare di ciclidi |
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the works of the student Maram Tarawneh |
To achieve this, it is important to teach descriptive geometry in a gradual manner, starting with the basic concepts and gradually progressing to more complex concepts. This can help students understand the concepts better and apply them more effectively.
It is also important for students to solve many different problems in descriptive geometry. This can help students develop their understanding of the subject and apply it effectively.
The teacher should provide students with all the data, suggestions, analyses, illustrations, and practical solutions necessary to solve various engineering problems. This can help students understand the concepts better and apply them more effectively.
It is also important to pose many additional problems for students. These problems can help students develop their creativity and apply geometric concepts in different ways.
Dr. Hasan ISAWI
https://isawi.blogspot.com/2024/01/13-14.html