ABAQUS模拟mscc固结不排水单调剪切

1. 报错“Error in job 0411-2-1: Too many increments needed to complete the step

Error in job 0411-2-1: THE ANALYSIS HAS BEEN TERMINATED DUE TO PREVIOUS ERRORS. ALL OUTPUT REQUESTS HAVE BEEN WRITTEN FOR THE LAST CONVERGED INCREMENT.”

原因:在step--compress步中,设置soils类型,time设置太长了,只需1即可,因为压缩相当于瞬时加上的

    2. 此外,设置boundary时,只需设置底面z向位移,以及底面原点0坐标相交的两个轴位移即可,无需设置三个面的法向位移;

    3. 围压荷载加在除底面外的五个面上。

    Certainly! Below is a complete code example for the "Advanced Colour the World" activity based on the information provided in the document. ### `main.c` ```c #include "xil_types.h" #include "xil_exception.h" #include "xgpio.h" #include "xtmrctr.h" #include "xintc.h" #include "xparameters.h" // Define constants for the number of regions and the timer period #define NUM_REGIONS 9 #define TIMER_PERIOD 20000 // 0.2 seconds // Global variables u16 current_region = 0; u32 current_colour = 0; // GPIO objects XGpio vga_region_gpio; XGpio vga_colour_gpio; XTmrCtr timer; // Interrupt controller object XIntc intc; // ISR for the hardware timer void hwTimerISR(void *CallBackRef) { // Clear the timer interrupt status XTmrCtr_ClearInterruptStatus(&timer, XPAR_TMRCTR_0_DEVICE_ID, 1); // Move to the next region current_region++; if (current_region >= NUM_REGIONS) { current_region = 0; } // Change the colour current_colour += 0x0F0F0F; // Increment by a fixed amount to cycle through different colours // Set the new region and colour XGpio_DiscreteWrite(&vga_region_gpio, 1, 1 << current_region); XGpio_DiscreteWrite(&vga_colour_gpio, 1, current_colour & 0xFFF); } // Function to initialize the GPIOs void initGpio(void) { // Initialize the VGA region GPIO XGpio_Initialize(&vga_region_gpio, XPAR_AXI_GPIO_0_DEVICE_ID); XGpio_SetDataDirection(&vga_region_gpio, 1, 0x00); // Output direction // Initialize the VGA colour GPIO XGpio_Initialize(&vga_colour_gpio, XPAR_AXI_GPIO_1_DEVICE_ID); XGpio_SetDataDirection(&vga_colour_gpio, 1, 0x00); // Output direction } // Function to initialize the timer void initTimer(void) { // Initialize the timer XTmrCtr_Initialize(&timer, XPAR_TMRCTR_0_DEVICE_ID); // Configure the timer XTmrCtr_SetOptions(&timer, XPAR_TMRCTR_0_DEVICE_ID, XTC_INT_MODE_OPTION | XTC_AUTO_RELOAD_OPTION); XTmrCtr_SetLoadReg(&timer, XPAR_TMRCTR_0_DEVICE_ID, 0, TIMER_PERIOD); XTmrCtr_Enable(&timer, XPAR_TMRCTR_0_DEVICE_ID); } // Function to initialize the interrupt controller void initIntc(void) { // Initialize the interrupt controller XIntc_Initialize(&intc, XPAR_INTC_0_DEVICE_ID); // Connect the timer interrupt handler XIntc_Connect(&intc, XPAR_INTC_0_TMRCTR_0_VEC_ID, (XInterruptHandler)hwTimerISR, NULL); // Enable the timer interrupt XIntc_Enable(&intc, XPAR_INTC_0_TMRCTR_0_VEC_ID); // Start the interrupt controller XIntc_Start(&intc, XIN_REAL_MODE); // Enable global interrupts Xil_ExceptionInit(); Xil_ExceptionRegisterHandler(XIL_EXCEPTION_ID_INT, (Xil_ExceptionHandler)XIntc_DeviceInterruptHandler, &intc); Xil_ExceptionEnable(); } int main() { // Initialize GPIOs initGpio(); // Initialize the timer initTimer(); // Initialize the interrupt controller initIntc(); // Initial region and colour XGpio_DiscreteWrite(&vga_region_gpio, 1, 1 << current_region); XGpio_DiscreteWrite(&vga_colour_gpio, 1, current_colour & 0xFFF); // Main loop while (1) { // The ISR will handle the region and colour updates } return 0; } ``` ### `xinterruptES3.c` This file is assumed to be the same as the one used in previous labs, with the addition of the `hwTimerISR` function declaration and definition. ### `gpio_init.h` ```c #ifndef GPIO_INIT_H #define GPIO_INIT_H #include "xgpio.h" // Function prototypes void initGpio(void); #endif // GPIO_INIT_H ``` ### `gpio_init.c` ```c #include "gpio_init.h" #include "xparameters.h" // GPIO objects XGpio vga_region_gpio; XGpio vga_colour_gpio; // Function to initialize the GPIOs void initGpio(void) { // Initialize the VGA region GPIO XGpio_Initialize(&vga_region_gpio, XPAR_AXI_GPIO_0_DEVICE_ID); XGpio_SetDataDirection(&vga_region_gpio, 1, 0x00); // Output direction // Initialize the VGA colour GPIO XGpio_Initialize(&vga_colour_gpio, XPAR_AXI_GPIO_1_DEVICE_ID); XGpio_SetDataDirection(&vga_colour_gpio, 1, 0x00); // Output direction } ``` ### Explanation 1. **GPIO Initialization**: - `initGpio()` initializes the GPIOs for controlling the VGA regions and colours. - `vga_region_gpio` and `vga_colour_gpio` are the GPIO objects for the VGA region and colour respectively. 2. **Timer Initialization**: - `initTimer()` sets up the hardware timer to trigger an interrupt every 0.2 seconds. - The timer is configured to auto-reload and generate an interrupt. 3. **Interrupt Controller Initialization**: - `initIntc()` initializes the interrupt controller and connects the timer interrupt handler (`hwTimerISR`). - It enables the timer interrupt and starts the interrupt controller. 4. **Interrupt Service Routine (ISR)**: - `hwTimerISR()` handles the timer interrupt. - It clears the interrupt status, increments the region and colour, and writes the new values to the GPIOs. 5. **Main Loop**: - The main loop runs indefinitely, allowing the ISR to handle the region and colour updates. This code will display a moving coloured square on the VGA screen, tracing the letter "G". You can modify the `hwTimerISR` function to trace other letters or patterns as needed.
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