教室内吊扇最优化安装.docxVIP

教室内吊扇最优化安装

教室内吊扇最优化安装

北大附中高一（10）冯雨孙昱姣100080关键词：风扇场强

一

2二

1

三

12345

引

言...........................................................................

.........................2问题的提

出...........................................................................

.............2问题的矛盾所

在...........................................................................

.....2数学模型的建

立...........................................................................

.....2几点假

设...........................................................................

.................21.1假设

1............................................................................

.......21.2假设

2............................................................................

.......21.3假设

3............................................................................

.......3数学模

型...........................................................................

.................3模型的分

析...........................................................................

.............4获得φ的解析

式...........................................................................

.....4求出φa,

φb..........................................................................

.................5φ的叠加

性...........................................................................

..............5Ω=

ds的几何意

义 5

S

在无限大平面上两个波源时Ω是如何取得最值的.......................55.1简单说

明...........................................................................

...55.2详细论

述...........................................................................

...65.3结

论...........................................................................

...........66在无限大平面上推广到N个波源时的情

况....................................67模型解

构...........................................................................

.................7四结

语...........................................................................

................................7五附

录.