全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

抛物型缓坡方程的变分及数值模拟

, PP. 125-130

Keywords: 变分原理,水波,折射,绕射,修改抛物型缓坡方程,数值模拟

Full-Text   Cite this paper   Add to My Lib

Abstract:

对线性水波的折射一绕射问题应用变分原理,对非等深、具有缓坡和不连续的底被导出了一种修改的抛物型缓坡方程近似模型,可预测三维地形上波浪的折射一绕射。同抛物型缓坡方程的线性方程进行了对比。通过数值模拟方法进行数值求解,表明本方法可用于地形条件下的波浪折射一绕射问题。

References

[1]  Berkhoff J C W. Computation of combined refraction-diffraction. In: Proc. 13th Int. Conf. On Coastal Eng., July 1972, Vancouver, Canada, ASCE, 1973, 471~490
[2]  Kirby J T. A parabolic equation for the combined refraction-diffraetion of Stokes waves by mildly varying topography. J Fluid Mech, 1983, 136:453~467
[3]  Kirby J T. A general wave equation for waves over rippled beds. J Fluid Mech., 1986, 162:171~186
[4]  Miles J. Variational approximations for gravity waves in water of variable depth. J Fluid Mech, 1991, 232: 681~688
[5]  Luke J C. A variational principle for a fluid with a free surface. J Fluid Mech, 1967, 27:393~397
[6]  Chamberlain P G, Porter Do. The modified mild-slope equation. J Fluid Mech, 1995, 291:393~407
[7]  Radder A C. On the parabolic equation method for water-wave propagation. J Fluid Mech, 1979, 95:159~176
[8]  林钢,邱大洪等.抛物型缓坡方程的数值模拟.大连理工大学学报,1998,38:3
[9]  林钢,邱大洪. 新抛物型缓底坡波动方程.水利学报,1996.3:59~64
[10]  蒋德才,台伟涛.缓坡非均匀流场中随机波传播的折绕射联合模型.诲洋学报,1993,(6):37~46
[11]  尹宝树,蒋德才.于复杂地形和存在流的浅水域波浪的折射绕射联合模型I.海洋学报,1989,(6):682-692

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133