This paper gives an interpretation of the quasispecies concept for an experiment of growing the Lymantria dispar artificial population.The changes estimate in the population parameters for a significant change in envi...This paper gives an interpretation of the quasispecies concept for an experiment of growing the Lymantria dispar artificial population.The changes estimate in the population parameters for a significant change in environmental conditions at the stage of hatching caterpillars from the eggs was given.Three numerical and two random parameters were used for quantitative analysis.They characterize the development of individuals of the population at this stage.The parameter changes significance was verified with using statistical tests.The results obtained do not contradict the quasispecies model.The use of fuzzy sets describes the transition from one quasispecies to another at a significant change in environmental conditions.展开更多
This paper presents a mathematically formalized description of the process of crossing individuals of different populations as a break of the first kind of functional dependencies of the population state vector compon...This paper presents a mathematically formalized description of the process of crossing individuals of different populations as a break of the first kind of functional dependencies of the population state vector components.In this case,the validity of the quasispecies model as a model of population development was assumed.The practical interpretation of a mathematically formalized description is considered on the example of an artificial population of Lymantria dispar.The results of the work can be used to assess the development parameters of both natural and artificial populations.展开更多
The paper investigates the existence of a relationship between the diapause duration and the temperature threshold of hatching,the variances in temperature and hatching time of the artificial six-month population of L...The paper investigates the existence of a relationship between the diapause duration and the temperature threshold of hatching,the variances in temperature and hatching time of the artificial six-month population of Lymantria dispar caterpillars.A half-year population gives two generations a year under artificial conditions.A comparative analysis of these parameters with similar parameters of the hybrid population of L.dispar,as well as studies by other authors,has been carried out.The Eigen quasispecies model was used for the mathematical formalization of the evolution process.The results of this work can be used to study the evolution of L.dispar.展开更多
The paper is devoted to simulating the impact of a thermal shock on a thin homogeneous plate in the ANSYS package.The assessment of the stress–strain state is carried out and the dynamics of changes in the temperatur...The paper is devoted to simulating the impact of a thermal shock on a thin homogeneous plate in the ANSYS package.The assessment of the stress–strain state is carried out and the dynamics of changes in the temperature field of the plate is determined.The obtained results were compared with the data of other authors and can be used when taking into account the thermal shock of large elastic elements of spacecraft.展开更多
文摘This paper gives an interpretation of the quasispecies concept for an experiment of growing the Lymantria dispar artificial population.The changes estimate in the population parameters for a significant change in environmental conditions at the stage of hatching caterpillars from the eggs was given.Three numerical and two random parameters were used for quantitative analysis.They characterize the development of individuals of the population at this stage.The parameter changes significance was verified with using statistical tests.The results obtained do not contradict the quasispecies model.The use of fuzzy sets describes the transition from one quasispecies to another at a significant change in environmental conditions.
文摘This paper presents a mathematically formalized description of the process of crossing individuals of different populations as a break of the first kind of functional dependencies of the population state vector components.In this case,the validity of the quasispecies model as a model of population development was assumed.The practical interpretation of a mathematically formalized description is considered on the example of an artificial population of Lymantria dispar.The results of the work can be used to assess the development parameters of both natural and artificial populations.
文摘The paper investigates the existence of a relationship between the diapause duration and the temperature threshold of hatching,the variances in temperature and hatching time of the artificial six-month population of Lymantria dispar caterpillars.A half-year population gives two generations a year under artificial conditions.A comparative analysis of these parameters with similar parameters of the hybrid population of L.dispar,as well as studies by other authors,has been carried out.The Eigen quasispecies model was used for the mathematical formalization of the evolution process.The results of this work can be used to study the evolution of L.dispar.
基金This work is supported by the Ministry of Education and Science of the Russian Federation in the framework of the State Assignments to Higher Education Institutions and Research Organizations in the Field of Scientific Activity(Project FSSS-2020-0017).
文摘The paper is devoted to simulating the impact of a thermal shock on a thin homogeneous plate in the ANSYS package.The assessment of the stress–strain state is carried out and the dynamics of changes in the temperature field of the plate is determined.The obtained results were compared with the data of other authors and can be used when taking into account the thermal shock of large elastic elements of spacecraft.