含有患病鳥類遷入的禽流感動(dòng)力學(xué)模型
發(fā)布時(shí)間:2019-04-01 19:30
【摘要】:禽流感是一種能夠感染人畜的傳染性疾病,野生鳥類在禽流感的傳播與流行中起到不可忽視的作用.建立常微分方程模型來刻畫禽流感在人類及禽類中的動(dòng)態(tài)傳播規(guī)律.模型包含患病鳥類的遷入,并且禽類和人類數(shù)量是可變的.通過構(gòu)造適當(dāng)?shù)腖iapunov函數(shù)及LaSalle不變性原理證明了平衡點(diǎn)的局部及全局穩(wěn)定性.在病鳥類遷入率不為零時(shí),利用Poincare-Bendixson定理證明了地方病平衡點(diǎn)的全局漸進(jìn)穩(wěn)定性.還對(duì)模型進(jìn)行了仿真及敏感性分析,討論了含患病鳥類的遷入對(duì)禽流感流行的影響以及控制禽流感應(yīng)采取的措施,為控制禽流感疫情提供理論基礎(chǔ).
[Abstract]:Avian influenza is an infectious disease that can infect people and animals. Wild birds play an important role in the spread and epidemic of avian influenza. An ordinary differential equation model was established to describe the dynamic transmission of avian influenza in human and poultry. The model contains the migration of sick birds, and the number of birds and humans is variable. The local and global stability of the equilibrium point is proved by constructing appropriate Liapunov function and LaSalle invariance principle. When the migration rate of sick birds is not 00:00, the global asymptotic stability of endemic equilibrium points is proved by using Poincare-Bendixson theorem. Simulation and sensitivity analysis of the model were carried out, and the influence of the migration of sick birds on the epidemic of avian influenza was discussed, and the measures to control avian influenza were also discussed in order to provide a theoretical basis for controlling the epidemic situation of avian influenza.
【作者單位】: 中國礦業(yè)大學(xué)(北京)管理學(xué)院;中國礦業(yè)大學(xué)(北京)資源與環(huán)境政策研究中心;中國礦業(yè)大學(xué)(北京)地球科學(xué)與測(cè)繪工程學(xué)院;
【分類號(hào)】:O175
本文編號(hào):2451824
[Abstract]:Avian influenza is an infectious disease that can infect people and animals. Wild birds play an important role in the spread and epidemic of avian influenza. An ordinary differential equation model was established to describe the dynamic transmission of avian influenza in human and poultry. The model contains the migration of sick birds, and the number of birds and humans is variable. The local and global stability of the equilibrium point is proved by constructing appropriate Liapunov function and LaSalle invariance principle. When the migration rate of sick birds is not 00:00, the global asymptotic stability of endemic equilibrium points is proved by using Poincare-Bendixson theorem. Simulation and sensitivity analysis of the model were carried out, and the influence of the migration of sick birds on the epidemic of avian influenza was discussed, and the measures to control avian influenza were also discussed in order to provide a theoretical basis for controlling the epidemic situation of avian influenza.
【作者單位】: 中國礦業(yè)大學(xué)(北京)管理學(xué)院;中國礦業(yè)大學(xué)(北京)資源與環(huán)境政策研究中心;中國礦業(yè)大學(xué)(北京)地球科學(xué)與測(cè)繪工程學(xué)院;
【分類號(hào)】:O175
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