
[物] 量綱分析
End of my dimensional analysis.
量綱分析就是這樣。
But when you do a dimensional analysis, you better be careful.
但我們必須謹慎地進行,量綱分析。
And I start my dimensional analysis and I end up dead in the waters.
然後再作量綱分析,然後徹底玩完了。
Structure the information; for example, to enable dimensional analysis.
對信息進行組織;例如用于支持量綱分析。
Is this dimensional analysis perhaps one that could have been done differently?
量綱分析也許,可以換一種方式?
量綱分析(Dimensional Analysis)是物理學和工程學中的基礎研究方法,主要用于通過物理量的量綱關系來驗證公式、推導規律及簡化實驗。以下是詳細解釋:
量綱分析基于量綱齊次原則,即任何有物理意義的方程,其等式兩端的量綱必須一緻。例如,速度的量綱為長度/時間(L/T),若某公式中出現速度項,其組合必須滿足這一量綱。
該方法于20世紀初系統化提出,廣泛應用于流體力學、熱力學等領域,成為建立數學模型和實驗設計的核心工具。
Dimensional analysis is a mathematical technique used to study and understand physical phenomena. It involves analyzing the dimensions of the different physical quantities involved in a problem to determine relationships between them.
For example, the formula for the period of a ****** pendulum can be derived using dimensional analysis. The period of a pendulum depends on the length of the pendulum, the acceleration due to gravity, and the mass of the pendulum bob. By analyzing the dimensions of these physical quantities, we can determine that the period of a pendulum is proportional to the square root of the length of the pendulum and inversely proportional to the square root of the acceleration due to gravity.
Dimensional analysis is commonly used in physics, engineering, and other scientific disciplines to derive relationships between physical quantities and to check the validity of equations. It is also useful for converting units and for simplifying complex equations.
近義詞:unit analysis
反義詞:non-dimensional analysis
用法示例:
The problem required the use of dimensional analysis to determine the relationship between the different physical quantities involved.(這個問題需要使用量綱分析來确定涉及的不同物理量之間的關系。)
The engineer used dimensional analysis to simplify the complex equation and make it easier to understand.(工程師使用量綱分析來簡化複雜的方程式,使其更易于理解。)
The student struggled with unit conversions until he learned how to use dimensional analysis.(學生在學會如何使用量綱分析之前,一直苦于單位換算。)
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