From ff9f0d62b64e0ff274b20d6b20b6067eaf61acb1 Mon Sep 17 00:00:00 2001 From: yize Date: Thu, 25 Sep 2025 09:08:21 +0800 Subject: [PATCH] vault backup: 2025-09-25 09:08:18 --- .obsidian/plugins/copilot/data.json | 34 ++++---- ...ctures (Ray Clough, Joseph Penzien) (Z-Library).md | 8 +- 多体+耦合求解器/输出量及输出与bladed对比.md | 78 +++++++++++++++++++ 3 files changed, 99 insertions(+), 21 deletions(-) create mode 100644 多体+耦合求解器/输出量及输出与bladed对比.md diff --git a/.obsidian/plugins/copilot/data.json b/.obsidian/plugins/copilot/data.json index 87cb51e..dd11443 100644 --- a/.obsidian/plugins/copilot/data.json +++ b/.obsidian/plugins/copilot/data.json @@ -139,23 +139,6 @@ "stream": true, "enableCors": true }, - { - "name": "gemini-2.5-flash", - "provider": "google", - "enabled": true, - "isBuiltIn": false, - "baseUrl": "http://60.205.246.14:8000", - "apiKey": "gyz", - "isEmbeddingModel": false, - "capabilities": [ - "reasoning", - "vision", - "websearch" - ], - "stream": true, - "displayName": "gemini-2.5-flash", - "enableCors": true - }, { "name": "gemini-2.5-pro", "provider": "google", @@ -172,6 +155,23 @@ "stream": true, "displayName": "gemini-2.5-pro", "enableCors": true + }, + { + "name": "gemini-2.5-flash", + "provider": "google", + "enabled": true, + "isBuiltIn": false, + "baseUrl": "", + "apiKey": "AIzaSyAnULu8WrFeKeOpW2SoJdqXGu4FrDcyB2I", + "isEmbeddingModel": false, + "capabilities": [ + "reasoning", + "vision", + "websearch" + ], + "stream": true, + "displayName": "gemini-2.5-flash", + "enableCors": true } ], "activeEmbeddingModels": [ diff --git a/书籍/力学书籍/力学/Dynamics of Structures (Ray Clough, Joseph Penzien) (Z-Library)/auto/Dynamics of Structures (Ray Clough, Joseph Penzien) (Z-Library).md b/书籍/力学书籍/力学/Dynamics of Structures (Ray Clough, Joseph Penzien) (Z-Library)/auto/Dynamics of Structures (Ray Clough, Joseph Penzien) (Z-Library).md index 50316fe..e3f1cb6 100644 --- a/书籍/力学书籍/力学/Dynamics of Structures (Ray Clough, Joseph Penzien) (Z-Library)/auto/Dynamics of Structures (Ray Clough, Joseph Penzien) (Z-Library).md +++ b/书籍/力学书籍/力学/Dynamics of Structures (Ray Clough, Joseph Penzien) (Z-Library)/auto/Dynamics of Structures (Ray Clough, Joseph Penzien) (Z-Library).md @@ -1269,10 +1269,10 @@ $$ v_{6}=\left({\frac{v_{1}}{v_{0}}}\right)^{6}\,v_{0}=\left({\frac{4}{5}}\right)^{6}\,(0.20)=0.0524\,i n\quad[0.1331\;c m] $$ -## Overcritically-Damped Systems +## Overcritically-Damped Systems过阻尼系统 Although it is very unusual under normal conditions to have overcriticallydamped structural systems, they do sometimes occur as mechanical systems; therefore, it is useful to carry out the response analysis of an overcritically-damped system to make this presentation complete. In this case having $\xi\equiv c/c_{c}>1$ , it is convenient to write Eq. (2-39) in the form - +尽管在正常条件下出现过临界阻尼结构系统非常罕见，但它们有时确实作为机械系统出现；因此，进行过临界阻尼系统的响应分析对于使本次论述完整是有益的。在这种阻尼比 $\xi\equiv c/c_{c}>1$ 的情况下，将方程 (2-39) 写成以下形式是方便的。 $$ s_{1,2}=-\xi\omega\pm\omega\sqrt{\xi^{2}-1}=-\xi\omega\pm\hat{\omega} $$ @@ -1284,13 +1284,13 @@ $$ $$ Substituting the two values of $s$ given by Eq. (2-60) into Eq. (2-21) and simplifying leads eventually to - +将由式 (2-60) 给出的 $s$ 的两个值代入式 (2-21) 并进行简化，最终可得 $$ v(t)=[A\,\sinh\hat{\omega}t+B\,\cosh\hat{\omega}t]\,\,\exp(-\xi\omega t) $$ in which the real constants $A$ and $B$ can be evaluated using the initial conditions $v(0)$ and $\dot{v}(0)$ . It is easily shown from the form of Eq. (2-62) that the response of an overcritically-damped system is similar to the motion of a critically-damped system as shown in Fig. 2-9; however, the asymptotic return to the zero-displacement position is slower depending upon the amount of damping. - +其中实常数 $A$ 和 $B$ 可以利用初始条件 $v(0)$ 和 $\dot{v}(0)$ 来确定。从方程 (2-62) 的形式可以很容易地看出，过阻尼系统的响应与临界阻尼系统的运动相似，如图 2-9 所示；然而，渐近返回到零位移位置的速度会变慢，这取决于阻尼量。 # PROBLEMS 2-1. The weight $W$ of the building of Fig. E2-1 is $200\,k i p s$ and the building is set into free vibration by releasing it (at time $t=0$ ) from a displacement of $1.20\;i n$ . If the maximum displacement on the return swing is $0.86\;i n$ at time $t=0.64~s e c$ , determine: diff --git a/多体+耦合求解器/输出量及输出与bladed对比.md b/多体+耦合求解器/输出量及输出与bladed对比.md new file mode 100644 index 0000000..ed2b1a9 --- /dev/null +++ b/多体+耦合求解器/输出量及输出与bladed对比.md @@ -0,0 +1,78 @@ + +fast + +tip motions ---Blade deflections + +| Bladed | FAST | +| ------------------------------------------ | ---- | +| x deflection(perpendicular to rotor plane) | | +| y deflection(in rotor plane) | | +| z deflection(in rotor plane) | | +| rotation about x(plane) | × | +| rotation about y(plane) | × | +| rotation about z(plane) | × | +| x deflection(blade root axes) | | +| y deflection(blade root axes) | | +| z deflection(blade root axes) | | +| rotation about x(blade root axes) | × | +| rotation about y(blade root axes) | × | +| rotation about z(blade root axes) | × | + +local span motions ---Blade deflections + +pitch motions ---pitch system + +teeter motions ---pass + +shaft motions ---generator variables + +| LSSTipPxa | LSSTipPxs, LSSTipP, Azimuth | Rotor azimuth angle (position) | About the xa- and xs-axes | (deg) | +| --------- | ---------------------------- | ------------------------------------------------------------------------------------------------- | -------------------------------------------- | --------- | +| LSSTipVxa | LSSTipVxs, LSSTipV, RotSpeed | Rotor azimuth angular speed | About the xa- and xs-axes | (rpm) | +| LSSTipAxa | LSSTipAxs, LSSTipA, RotAccel | Rotor azimuth angular acceleration | About the xa- and xs-axes | (deg/s^2) | +| LSSGagPxa | LSSGagPxs, LSSGagP | Low-speed shaft strain gage azimuth angle (position) (on the gearbox side of the low-speed shaft) | About the xa- and xs-axes | (deg) | +| LSSGagVxa | LSSGagVxs, LSSGagV | Low-speed shaft strain gage angular speed (on the gearbox side of the low-speed shaft) | About the xa- and xs-axes | (rpm) | +| LSSGagAxa | LSSGagAxs, LSSGagA | Low-speed shaft strain gage angular acceleration (on the gearbox side of the low-speed shaft) | About the xa- and xs-axes | (deg/s^2) | +| HSShftV | GenSpeed | Angular speed of the high-speed shaft and generator | Same sign as LSSGagVxa / LSSGagVxs / LSSGagV | (rpm) | +| HSShftA | GenAccel | Angular acceleration of the high-speed shaft and generator | Same sign as LSSGagAxa / LSSGagAxs / LSSGagA | (deg/s^2) | + +nacelle imu motions --- nacelle motion + +rotor-furl motions --- pass + +tail-furl motions --- pass + +nacelle yaw motions --- nacelle motion + +Tower-Top / Yaw Bearing Motions --- nacelle motion + +Local Tower Motions + +Platform Motions + +Blade 1 Root Loads --- hub loads rotating gl coordinates +Blade 2 Root Loads +Blade 3 Root Loads + +Blade 1 Local Span Loads --- blade loads +Blade 2 Local Span Loads +Blade 3 Local Span Loads + +Hub and Rotor Loads + +Shaft Strain Gage Loads + +High-Speed Shaft Loads + +Rotor-Furl Bearing Loads + +Tail-Furl Bearing Loads + +Tower-Top / Yaw Bearing Loads + +Tower Base Loads --- foundation loads + +Local Tower Loads + +Internal Degrees of Freedom +