مساهمة في بناء نظام برمجي لمعالجة مسائل الميكانيك الهندسي برنامج الميكانيك الهندسي – EngMec1
Abstract
يهدف هذا البحث إلى تطوير طريقة تدريس علم الميكانيك الهندسي عن طريق برمجة أبحاثه الأساسية وتقديمها إلى الطالب بأسلوب سهل وبنفس الوقت الاستفادة من البرنامج الموضوع في حل مختلف المسائل المتعلقة بمواضيع هذا العلم بسهولة وسرعة باستخدام الحاسب، ولهذه الغاية تم بناء نظام برمجي بلغة فيجوال بيسك VB يعتمد على صياغة رياضية مصفوفاتية لعمليات ومفاهيم الميكانيك الهندسي. تعتبر لغةVB لغة مرنة جداً يمكنها أن تستوعب الحل الرياضي بالإضافة إلى قدرتها على استخدام الوسائط المتعددة من أجل العرض والإظهار الفراغي.
يعالج برنامج الميكانيك الهندسي EngMec1 أهم مفاهيم الميكانيك الهندسي المستخدمة في الكليات الهندسية مثل (مسقط قوة على محور– عزم قوة– محصلة جملة من القوى والعزوم عند نقطة– المحصلة المركزية– تحليل جملة من القوى والعزوم على مجموعة من المحاور– ردود الأفعال في المساند وقوى الارتباط عند المفاصل الداخلية- القوى الداخلية– مراكز الثقل) بأسلوب مبسط وصياغة مصفوفاتية مستخدماً إمكانات الحاسب المتطورة في الإظهار الفراغي.
This research aims at developing the teaching methods of Engineering Mechanics, through programming its basic researches and presenting them to the student in an easy way, and at the same time benefiting from the used programs in solving different problems of issues related to this science easily and quickly through the computer. For this reason a programming system has been built up using Visual Basic language (VB ). This system depends on a mathematical form of operational matrix and the Mechanical Engineering ideologies. The VB language is considered as a very manageable language which can understand the mathematical solution, beside its ability to use the approved medium for presentation and solid geometrical manifestation.
There are so many understandings in Mechanical Engineering such as (Projection of a Force – Moment of a force – A Resultant force system – Reduction of a force system to a Wrench – Equivalent systems of forces – Reaction – Internal forces – Centre of gravity). We shall try to mould these understandings in the form of matrix and manifest them in a solid geometrical way through the computer.
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