نمذجة وتحليل تأثير الخوف على نموذج لزلي-كور المحور تحت تأثير الحصاد

المؤلفون

DOI:

https://doi.org/10.21123/bsj.2023.7432

الكلمات المفتاحية:

التشعب، الخوف، نوذج لزلي كور، الثبات، الحصاد التربيعي ثابت الجهد، الاستقرارية.

الملخص

تم اقتراح ودراسة نموذج لزلي كور المحور للفريسة والمفترس والمتضمن دالة الاستجابة الوظيفية لبدنكتـن ديانجلـز. الغــرض مـــــن الدراسة هو اختبار تأثيرات كل من الخوف والحصاد الثنائي ذو الجهد الثابت على السلوك الديناميكي للنظام. الخواص النوعية للنموذج والمتضمنـــة الاستقرارية المحليـــة لنقاط التوازن ,الاصرار, الاستقرارية الشاملة اختبرت. تم دراسة تحليل التشعب المحلي. وقد لوحظ أن النظام يظهر تشعب العقدة السرج عند نقطة توازن البقاء بينما يحدث التشعب الحرج عند نقطة التوازن الحدودي. بالإضافة إلى ذلك ، تم تحديد المتطلبات الأساسية لوجود تشعب هوبف. واخــيرا باستخدام برنامج الماثلاب تم تنفيذ المحاكات العددية للنظام للتحقق من صلاحية النتائج النظرية وتصور ديناميكيات النظام.

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التنزيلات

منشور

2023-10-01

إصدار

القسم

article

كيفية الاقتباس

1.
نمذجة وتحليل تأثير الخوف على نموذج لزلي-كور المحور تحت تأثير الحصاد. Baghdad Sci.J [انترنت]. 1 أكتوبر، 2023 [وثق 18 مايو، 2024];20(5):1701. موجود في: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/7432

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