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Une Contribution Logicielle dédiée la simulation de l'architecture et de la croissance des plantes

Abstract : Modeling and simulation of plant growth may be assessed in different ways concerning both knowledge and technical means. This research field remains at the intersection of many specialties such as botany, agronomy, physiology, mathematics or computer science. Many works where already leaded in this area which mainly focused on a single one among these specialties. We propose a generalist approach that relies on knowledges coming both from plant biology, mathematics and computer engineering. This study consists in three steps : - Definition of a pure structural model aimed at plant architecture description (AmapSim). This model uses stochastic processes to mimic distributions of branches, shoots and internodes measured on real plants. These processes are ruled through a finite state automaton whose state variable is the physiological age that represents the vigorousness of the buds of the plants during their life. - Definition of a set of software tools ready to host plant simulators (Vitis). This library mainly provides tools to manage a memory plant representation, to manage model parameters and to schedule or connect software parts that may be gathered to build simulators. - Case study of the implementation of AmapSim into Vitis and example of some applications. This step should show how accurate the choice proposed during the previous steps may be. Some results of pure AmapSim simulations will be shown and then some applications where AmapSim is dynamically connected to additional knowledges thanks to Vitis functionalities will be shown. A particular focus will be put on how to add knowledge coming from physiology thus creating functionalstructural applications while connecting structural and physiological software plugins together. This study shows perspectives on how to use AmapSim and how to develop new plugins; on development of new models into Vitis; on the formal study of plant simulators dedicated to the needs of modelers.
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  • HAL Id : tel-00520900, version 1
  • PRODINRA : 247262

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Jean-François Barczi. Une Contribution Logicielle dédiée la simulation de l'architecture et de la croissance des plantes. Sciences de l'ingénieur [physics]. Ecole Centrale Paris, 2008. Français. ⟨tel-00520900⟩

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